2023 in paleomalacology

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This list of fossil molluscs described in 2023 is a list of new taxa of fossil molluscs that were described during the year 2023, as well as other significant discoveries and events related to molluscan paleontology that occurred in 2023.

Ammonites

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Acutimitoceras paracutum^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Acutimitoceras ucatum^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Ammonellipsites infirmus^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Arpavoniceras^[3]	Gen. et sp. et comb. nov		Frau & Fuhr	Early Cretaceous (Hauterivian)		France United Kingdom	A member of the family Neocomitidae. The type species is A. buloti; genus also includes "Shasticrioceras" anglicum Doyle (1963).
Asteroceras dommerguesi^[4]	Sp. nov	Valid	Zaitsev & Ippolitov	Early Jurassic (Sinemurian)		Crimea
Aulatornoceras beyrichi^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Australopseudothurmannia^[6]	Gen. et sp. nov		Marin, Aguirre-Urreta & Rawson	Early Cretaceous (Hauterivian)		Argentina	Genus includes new species A. flexuosa.
Becanites rowanensis^[7]	Sp. nov	Valid	Work & Mason	Carboniferous (Tournaisian)	Borden Formation	United States ( Kentucky)
Bollandoceras antecedens^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Buedesheimites^[5]	Gen. et sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Genus includes new species B. housei. Announced in 2022; the final article version was published in 2023.
Costiphylloceras limayense^[8]	Sp. nov	Valid	Joly, Parent & Garrido	Middle Jurassic (Aalenian)	Los Molles Formation	Argentina	A member of the family Phylloceratidae.
Crassotornoceras tenue^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Cryptomorphiceras^[9]	Gen. et comb. et 2 sp. nov	Valid	Marchesi, Balini & Jenks	Late Triassic (Carnian)		United States ( Nevada)	A member of Trachyceratinae. The type species is C. compressum (Johnston, 1941); genus also includes new species C. crassum, and C. levicostatum. Announced in 2022; the final article version was published in 2023.
Djanaliparkinsonia egori^[10]	Sp. nov	Valid	Mitta	Middle Jurassic (Bajocian)		Russia ( Karachay-Cherkessia)	A member of the family Stephanoceratidae.
Emileites christophi^[11]	Sp. nov	Valid	Dietze & Hostettler	Middle Jurassic	Passwang Formation	Switzerland
Eocanites delicatus^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prolecanitidae belonging to the subfamily Prolecanitinae.
Gattendorfia bella^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Gattendorfia corpulenta^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Gattendorfia immodica^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Gattendorfia rhenana^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Gattendorfia schmidti^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Gattendorfia valdevoluta^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae.
Hammatocyclus rugosus^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Hasselbachia erronea^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.
Idahocolumbites phatthalungensis^[12]	Sp. nov.	Valid	Thongterm & Shigeta in Thongterm et al.	Triassic (Spathian)	Chaiburi formation	Thailand	A member of Ceratitida belonging to the family Columbitidae.
Imitoceras initium^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Imitoceratinae.
Kazakhstania kana^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous		Morocco	A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.
Knemiceras lanceolatum^[13]	Sp. nov		Latil & Jaillard	Early Cretaceous		Tunisia
Knemiceras multicostatum^[13]	Sp. nov		Latil & Jaillard	Early Cretaceous		Tunisia
Knemiceras sagetae^[13]	Sp. nov		Latil & Jaillard	Early Cretaceous		Tunisia
Knemiceras tunisiense^[13]	Sp. nov		Latil & Jaillard	Early Cretaceous		Tunisia
Kornia acia^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.
Kornia fibula^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.
Lazariniceras heterostylia^[14]	Sp. nov		Bert et al.	Early Cretaceous (Barremian)		France
Lazariniceras lhaumeti^[14]	Sp. nov		Bert et al.	Early Cretaceous (Barremian)		France
Linguatornoceras acutilobatum^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Linguatornoceras sandense^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Lobosphinctes dzhissaensis^[15]	Sp. nov	Valid	Mitta in Mitta & Sherstyukov	Middle Jurassic		Russia	A member of the family Perisphinctidae.
Merocanites parvevolutus^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Metengonoceras foleyi^[16]	Sp. nov	Valid	May & Lucas	Late Cretaceous (Cenomanian)	Dakota Sandstone	United States ( New Mexico)	A member of the family Engonoceratidae.
Mimimitoceras mina^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous		Morocco	A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.
Mimimitoceras perditum^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Prionoceratinae.
Mosirites^[17]	Gen. et 2 sp. nov		Shigeta, Nishimura & Izukura	Cretaceous (Albian to Cenomanian)		Japan	A heteromorph ammonoid, possibly derived from Anisoceras. Genus includes M. serpentiformis and M. mirabilis.
Muensteroceras rectilineum^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Muensteroceras triplettense^[7]	Sp. nov	Valid	Work & Mason	Carboniferous (Tournaisian)	Borden Formation	United States ( Kentucky)
Nomismocanites^[1]	Gen. et sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prolecanitidae belonging to the subfamily Prolecanitinae. The type species is N. raritas.
Paprothites beckeri^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae.
Paprothites kullmanni^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae.
Paraemericiceras^[6]	Gen. et sp. nov		Marin, Aguirre-Urreta & Rawson	Early Cretaceous (Hauterivian)	Agrio Formation	Argentina	Genus includes new species P. argentinense.
Paraspiticeras bituberculatum^[6]	Sp. nov		Marin, Aguirre-Urreta & Rawson	Early Cretaceous (Hauterivian)	Agrio Formation	Argentina
Parengonoceras chottensis^[13]	Sp. nov		Latil & Jaillard	Early Cretaceous		Tunisia
Planisphinctes pirkli^[15]	Sp. nov	Valid	Mitta in Mitta & Sherstyukov	Middle Jurassic		Russia	A member of the family Perisphinctidae.
Plesechioceras rochai^[18]	Sp. nov	Valid	Vitón et al.	Early Jurassic (Sinemurian)		Portugal
Proplacenticeras alabushevi^[19]	Nom. nov		Latil, Murphy & Rodda	Cretaceous (Albian-Cenomanian)		Russia	The fossil material was originally described as Rapidoplacenticeras sutherlandbrowni (McLearn, 1972) by Alabushev (1988).^[20]
Pseudhimalayites carchelejensis^[21]	Sp. nov	Valid	Parent et al.	Late Jurassic (Tithonian)		Spain	A member of the family Aspidoceratidae.
Roberticeras^[19]	Gen. et comb. nov	Valid	Latil, Murphy & Rodda	Cretaceous		France Madagascar Switzerland Tunisia United Kingdom	A member of the family Desmoceratidae. The type species is "Ammonites" dupinianus d'Orbigny (1841); genus also includes other species which were formerly assigned to the genus Beudanticeras.
Rodingites^[1]	Gen. et comb. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Pseudarietitinae. The type species is "Pseudarietites" planissimus Vöhringer (1960); genus also includes "Pseudarietites" carinatus Vöhringer (1960).
Rotopericyclus saourensis^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Serpenticyclus^[22]	Gen. et comb. nov	Valid	Becker	Carboniferous (Tournaisian, possibly also Viséan)		Algeria Morocco Russia?	A member of the family Pericyclidae. The type species is "Helicocyclus" fuscus Korn et al. (2003); genus also includes "H." formosus Korn et al. (2010), "H." inornatus Korn et al. (2010), "H." laxaris Korn et al. (2010) and possibly "H." involutus Kusina in Shimankiy & Kusina (1977) and "H." aberratus Kusina and Konovalova (2004).
Stockumites hofensis^[23]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)		Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Stockumites marocensis^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous		Morocco	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Stockumites nonaginta^[23]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)		Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Stockumites parallelus^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Stockum Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Stockumites voehringeri^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Prionoceratidae belonging to the subfamily Acutimitoceratinae.
Tanabeceras nakagawaense^[24]	Sp. nov		Shigeta, Sakai & Fujita	Late Cretaceous (Cenomanian)		Japan	A member of the family Tetragonitidae.
Tectocyclus^[22]	Gen. et sp. et comb. nov	Valid	Becker	Carboniferous (Viséan)		Morocco United Kingdom	A member of the family Pericyclidae. The type species is T. herbigi; genus also includes "Helicocyclus" divergens Riley (1996).
Tetragonites nanus^[25]	Sp. nov		Shigeta	Late Cretaceous (Coniacian to Campanian)		Japan	A member of the family Tetragonitidae.
Tornoceras incisum^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Tornoceras ventrovaricatum^[5]	Sp. nov	Valid	Söte & Becker	Devonian (Frasnian)	Büdesheim Formation	Germany	A member of the family Tornoceratidae. Announced in 2022; the final article version was published in 2023.
Vutacuracrioceras^[6]	Gen. et comb. nov		Marin, Aguirre-Urreta & Rawson	Early Cretaceous (Hauterivian)		Argentina	A new genus for "Paraspiticeras" groeberi Aguirre-Urreta (1993).
Weyerella lenis^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.
Zadelsdorfia oblita^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous (Tournaisian)	Hangenberg Limestone	Germany	A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.
Zadelsdorfia zana^[1]	Sp. nov	Valid	Korn & Weyer	Carboniferous		Morocco	A member of the family Gattendorfiidae belonging to the subfamily Gattendorfiinae.

Ammonite research

A study on the swimming capabilities of ammonites, aiming to determine hydrodynamic costs and advantages provided by different conch geometries, is published by Ritterbush & Hebdon (2023).^[26]
A study on the mechanics and fluid dynamics of ammonite swimming is published by De Blasio (2023).^[27]
Revision of the Middle Triassic ammonite assemblage from the Samobor and Žumberak Mountains (Croatia) is published by Vidaković et al. (2023), who consider "Protrachyceras" dorae Salopek (1912) to be the only unambiguously valid species with a holotype from the Gregurić Breg locality, and transfer this species to the genus Eoprotrachyceras.^[28]
Revision of the early Kimmeridgian ammonites from the planula Biohorizon of the Wohlgeschichtete Kalk Formation (Germany) is published by Jantschke & Schweigert (2023).^[29]
Revision of acanthohoplitid taxa from the Aptian strata from Dagestan (Russia) is published by Frau (2023), who considers Protacanthoplites abichi to be a synonym of Acanthohoplites aschiltaensis, and retains A. aschiltaensis as the senior valid name.^[30]
Evidence from the Albian fossil material from the Clansayes locality (France), interpreted as indicative of the presence of sexual dimorphism in Mariella bergeri, as well as indicating that upper Albian Mariella, lower Cenomanian Mariella and lower Cenomanian Hypoturrilites share the same peristome morphology, is presented by Jattiot et al. (2023).^[31]
A specimen of Prionocyclus germari found in association with an aptychus referred to the genus Praestriaptychus is described from the Turonian strata near Úpohlavy (Czech Republic) by Košťák et al. (2023).^[32]
A specimen of Mammites nodosoides, preserved with bite traces interpreted as most likely resulting from a lethal attack of a mosasaur directed at the apertural part of the ammonite with the head and arm crown, is described from the Turonian Bílá Hora Formation (Czech Republic) by Mazuch et al. (2023).^[33]
A study on the evolution of the peculiar morphology of Pravitoceras sigmoidale is published by Misaki, Okamoto & Maeda (2023).^[34]
Shigeta & Maeda (2023) describe new fossil material of ammonites from the Maastrichtian Krasnoyarka Formation (Sakhalin, Russia), including fossils of Zelandites varuna, Gaudryceras seymouriense, Pachydiscus subcompressus and Anagaudryceras mikobokense, and interpret the presence of these species as indicative of the influx of immigrant ammonite species into the Northwest Pacific region during late Maastrichtian, which might have been associated with cooling after the greenhouse Middle Maastrichtian Event.^[35]

Other cephalopods

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Aphelaeceras validum^[2]	Sp. nov	Valid	Korn in Zohara Malti et al.	Carboniferous (Tournaisian)	Hassi Sguilma Formation	Algeria
Cenoceras polonicum^[36]	Sp. nov		Jain et al.	Jurassic		Poland
Cenoceras rumelangense^[37]	Sp. nov		Weis & Schweigert in Weis, Schweigert & Wittische	Middle Jurassic		Germany Luxembourg
Conchorhynchus tabellulis^[38]	Sp. nov	Valid	Martinez	Eocene		France
Ellesmeroceras humahuacaensis^[39]	Sp. nov	Valid	Cichowolski et al.	Ordovician (Tremadocian)	Santa Rosita Formation	Argentina
Endoceras novamagnum^[40]	Nom. nov	Valid	Greenfield	Late Ordovician	Saxby locality	Estonia	A replacement name for Endoceras magnum Stumbur (1956).
Endoceras secundepressum^[41]	Nom. nov	Valid	Greenfield	Middle Ordovician	Jigunsan Formation	South Korea	A replacement name for Endoceras depressum Yun (2011).
Endolobus rota^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Zrigat Formation	Morocco
Ephippioceras pygops^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Zrigat Formation	Morocco	A member of the family Ephippioceratidae.
Epidomatoceras ebbighausenorum^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Hamou-Rhanem Formation	Morocco	A member of the family Grypoceratidae.
Foveroceras^[43]	Gen. et sp. nov	Valid	Leonova & Shchedukhin	Permian (Asselian-Sakmarian)		Russia ( Bashkortostan)	A member of Nautilida belonging to the family Permoceratidae. The type species is F. magnum.
Germanonautilus warthi^[44]	Sp. nov	Valid	Schweigert	Early Jurassic (Pliensbachian)	Numismalismergel Formation	Germany
Linteroceras^[45]	Nom. nov	Valid	Mironenko	Carboniferous		Russia	A replacement name for Linter Shimansky (1968).
Liroceras karaouii^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Mougoui Ayoun Formation	Morocco
Liroceras vermis^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Hamou-Rhanem Formation	Morocco
Micronautilus^[46]	Gen. et 2 sp. nov	Valid	Branger	Middle Jurassic (Bathonian)		France	A member of the family Paracenoceratidae. The type species is M. evolutus; genus also includes M. minoti.
Nautilaphractus^[47]	Nom. nov	Valid	Ceccolini & Cianferoni	Carboniferous		Russia	A replacement name for Aphractus Shimansky (1967).
Omorphoceras^[43]	Gen. et sp. nov	Valid	Leonova & Shchedukhin	Permian (Asselian-Sakmarian)		Russia ( Bashkortostan)	A member of the family Grypoceratidae. The type species is O. igori.
Shikhanonautilus compressus^[48]	Sp. nov	Valid	Shchedukhin	Permian (Asselian-Sakmarian)		Russia ( Bashkortostan)	A member of the family Liroceratidae.
Sichuanobelus luxiensis^[49]	Sp. nov		Ma et al.	Late Triassic (Carnian)	Xiaowa Formation	China	A member of Belemnitida belonging to the family Sinobelemnitidae.
Solenochilus lucynae^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Mougoui Ayoun Formation	Morocco
Solenochilus pohlei^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Mougoui Ayoun Formation	Morocco
Stenopoceras (Leptodomatoceras) bashkiricum^[43]	Sp. nov	Valid	Leonova & Shchedukhin	Permian (Asselian-Sakmarian)		Russia ( Bashkortostan)	A member of the family Grypoceratidae.
Temnocheilus aubrechtovae^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Mougoui Ayoun Formation	Morocco	A member of the family Trigonoceratidae.
Temnocheilus imazighenorum^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Zrigat Formation	Morocco	A member of the family Trigonoceratidae.
Trocholites chaloupkai^[50]	Sp. nov	Valid	Aubrechtová, Turek & Manda	Ordovician (Katian)	Upper Zahořany Formation	Czech Republic
Uralharuspex^[47]	Nom. nov	Valid	Ceccolini & Cianferoni	Carboniferous		Russia	A replacement name for Haruspex Shimansky (1968).
Vampyrofugiens^[51]	Gen. et sp. nov	Valid	Rowe et al.	Middle Jurassic (Callovian)	La Voulte-sur-Rhône lagerstätte	France	A member of Vampyromorpha belonging to the group Loligosepiina and the family Geopeltidae. The type species is V. atramentum.
Vestinautilus kesslerae^[42]	Sp. nov	Valid	Korn & Klug	Carboniferous (Viséan)	Zrigat Formation	Morocco	A member of the family Trigonoceratidae.

Other cephalopod research

A study on the phylogenetic relationships of belemnites is published by Stevens et al. (2023).^[52]
Dzyuba et al. (2023) report the discovery of the fossil material of Arcobelus cf. krimholzi from the Jurassic (Toarcian–Aalenian) strata from the Kuoika kimberlite field (northeastern Siberian Platform, Olenek Uplift), and interpret putative Late Jurassic or Early Cretaceous belemnites from the studied area as possibly of Bajocian–Bathonian age.^[53]
Evidence from clumped and stable isotopes and trace element data for three specimens from the Valanginian of southern Tibet and Madagascar, interpreted as indicating that Acroteuthis acrei and Duvalia sp. occupied shallower and warmer waters than Hibolithes jaculoides and that the latter belemnite was a fast swimmer that undertook vertical migration in the water column, is presented by Wang et al. (2023).^[54]
Dernov (2023) reports the preservation of color patterns on conchs of nautiloid cephalopods from the Carboniferous (Moscovian) Kamenskaya Formation (Luhansk Oblast), interpreted as indicative of the presence of disruptive coloration.^[55]
Wilmsen (2023) redescribes the Coniacian nautilid "Nautilus" sinuatoplicatus and transfers it to the genus Anglonautilus, filling a gap in the fossil record of this genus which was previously unknown from the late Cenomanian to early Campanian.^[56]
A study aiming to determine the metabolic rates of ammonites and nautiloid cephalopods living at the end of the Cretaceous is published by Tajika et al. (2023), who find that the nautiloid Eutrephoceras had a lower metabolic rate than co-occurring ammonites, and argue that the lower metabolic rate in nautiloids might have been an advantage during the Cretaceous–Paleogene extinction event.^[57]
Klug et al. (2023) report evidence of preservation of axial nerve cords in specimens of Jurassic cephalopods from France and Germany.^[58]
Syllipsimopodi bideni, originally described as a member of the clade Vampyropoda, is reinterpreted as a probable junior synonym of Gordoniconus beargulchensis and unlikely to be a vampyropod by Klug et al. (2023);^[59] in a subsequent study Whalen & Landman (2023) support the interpretation of S. bideni as distinct from G. beargulchensis, but hint that further analyses might be needed to confirm the hypothesis that it is a vampyropod.^[60]
Rogov et al. (2023) report the discovery of jaws of decabrachian coleoids from the Toarcian deposits of the Vilyui River basin (Sakha, Russia), representing the first finding of coleoid jaws in the Lower Jurassic strata in Siberia reported to date.^[61]
Tanabe & Misaki (2023) describe new coleoid fossil material from the Upper Cretaceous Yezo Group (Japan), including a large upper jaw of an indeterminate member of Oegopsida and two lower jaws possibly belonging to members of the species Longibelus matsumotoi, and interpret the anatomy of the studied lower jaws as supporting the interpretation of Longibelus as a relative of Decapodiformes.^[62]
An assemblage of coleoid cephalopods, including the latest record of Belosaepia blainvillei, is described from the Eocene (Priabonian) Mandrykivka Beds (Ukraine) by Dernov & Demianov (2023).^[63]
Mironenko (2023) describes phosphatized jaws of cephalopods (mostly coleoids, but also one nautilid specimen) from the Upper Jurassic, Lower and Upper Cretaceous localities in Russia, including jaws likely belonging to large-bodied coleoids.^[64]

Bivalves

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Acharax frenademezi^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Solemyidae.
Alena^[66]	Gen. et sp. nov		Polechová, Zicha & Rak	Ordovician (Sandbian)	Letná Formation	Czech Republic	A member of Pteriomorphia, possibly belonging to the group Cyrtodontida. The type species is A. pustulosa. The generic name is shared with Alena Navas (1916).
Allemanella^[67]	Gen. et comb. nov	Valid	Cooper	Cretaceous		Argentina Chile Peru	A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Quoiecchia" sigeli Leanza & Garate Zubillaga (1987); genus also includes "Buchotrigonia" biroi Pérez & Reyes (1986), "Trigonia" boiti Lissón (1930), "Buchotrigonia" chilensis Pérez & Reyes (1986) and "Syrotrigonia" obesa Pérez & Reyes (1997).
Bakevellia (Bakevellia) preromangica^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Bakevelliidae.
Bathyisognomon^[68]	Gen. et sp. nov	Valid	Hickman	Eocene	Keasey Formation	United States ( Oregon)	A member of the family Isognomonidae. The type species is B. smithwickensis.
Delectopecten keaseyorum^[68]	Sp. nov	Valid	Hickman	Paleogene	Keasey Formation	United States ( Oregon)	A species of Delectopecten.
Delectopecten kieli^[68]	Sp. nov	Valid	Hickman	Paleogene	Keasey Formation	United States ( Oregon)	A species of Delectopecten.
Earlpackardia methowensis^[69]	Sp. nov	Valid	Halligan	Early Cretaceous (Albian)		United States ( Washington)	A member of Trigoniida belonging to the family Rutitrigoniidae.
Edmondia hautmanni^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Edmondiidae.
Etayosernella^[67]	Gen. et comb. et sp. nov	Valid	Cooper	Early Cretaceous		Colombia	A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia (Laevitrigonia)" scheibei Dietrich (1938); genus also includes new species E. noetlingi.
Etheripecten stuflesseri^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of Pectinida belonging to the family Heteropectinidae.
Gardenapecten^[65]	Gen. et comb. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of Pectinida belonging to the superfamily Aviculopectinoidea and the family Asoellidae. The type species is "Pecten (Aviculopecten)" trinkeri Stache (1878); genus also includes "Pecten (Aviculopecten)" comelicanus Stache (1878).
Incagonia^[67]	Gen. et comb. nov	Valid	Cooper	Cretaceous		Peru	A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" mathewsi Richards (1947); genus also includes "Trigonia" flexicostata Fritzsche (1924), "Trigonia" forti Lissón (1930), "Trigonia" gerthi Lissón (1930), "Trigonia" inca Fritzsche (1924), "Trigonia" lorentii Dana (1849) and "Trigonia" paradisensis Lissón (1907).
Ionesimactra^[70]	Nom. nov	Valid	Signorelli				A member of the family Mactridae; a replacement name for Caspimactra Ionesi. The type species is "Mactra" caspia Eichwald.
Isorropodon humptulipsense^[71]	Sp. nov	Valid	Kiel, Amano & Goedert	Eocene	Humptulips Formation	United States ( Washington)	A member of the family Vesicomyidae.
Ladinomya^[65]	Gen. et sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the superfamily Trigonioidea, the type genus of the new family Ladinomyidae. The type species is L. fosteri.
Leguminaia hedenborgi^[72]	Sp. nov	Valid	Schneider & Linse	Pliocene–Pleistocene boundary	Kritika Formation	Greece	A member of the family Unionidae belonging to the subfamily Gonideinae.
Limopsis squiresi^[68]	Sp. nov	Valid	Hickman	Paleogene	Keasey Formation	United States ( Oregon)	A species of Limopsis.
Lovaralucina^[65]	Gen. et sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Lucinidae. The type species is L. covidi.
Lusitanigonia^[67]	Gen. et comb. nov	Valid	Cooper	Late Jurassic		Portugal	A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" freixialensis Choffat (1885); genus also includes "Trigonia" kobyi Choffat (1885).
Macomopsis onubensis^[73]	Sp. nov	Valid	Brunetti & Della Bella	Pliocene		Spain	A member of the family Tellinidae.
Macomopsis saccoi^[73]	Sp. nov	Valid	Brunetti & Della Bella	Pliocene (Piacenzian)		Italy	A member of the family Tellinidae.
Matheronia carinata^[74]	Sp. nov		Masse, Fenerci-Masse & Bucur	Early Cretaceous (Barremian-Aptian)		Romania	A rudist bivalve belonging to the family Requieniidae.
Matheronia dacica^[74]	Sp. nov		Masse, Fenerci-Masse & Bucur	Early Cretaceous (Barremian)		Romania	A rudist bivalve belonging to the family Requieniidae.
Matheronia nerae^[74]	Sp. nov		Masse, Fenerci-Masse & Bucur	Early Cretaceous (Barremian-Aptian)		Romania	A rudist bivalve belonging to the family Requieniidae.
Matheronia silvaeregis^[74]	Sp. nov		Masse, Fenerci-Masse & Bucur	Early Cretaceous (Aptian)		Romania	A rudist bivalve belonging to the family Requieniidae.
Meleagrinella golberti^[75]	Sp. nov	Valid	Lutikov & Arp	Early Jurassic (Toarcian)		Canada Germany Russia United Kingdom	A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.^[75]
Meleagrinella prima^[75]	Sp. nov	Valid	Lutikov in Lutikov & Arp	Early Jurassic (Toarcian)		Russia	A member of the family Oxytomidae. Published online in 2023, but the issue date is listed as December 2022.^[75]
Miltha (sensu lato) romaniae^[76]	Sp. nov	Valid	Kiel, Sami & Taviani	Miocene		Italy	A member of the family Lucinidae.
Moerella etrusca^[73]	Sp. nov	Valid	Brunetti & Della Bella	Pliocene		Italy	A member of the family Tellinidae.
Moerella hispanica^[73]	Sp. nov	Valid	Brunetti & Della Bella	Pliocene		Spain	A member of the family Tellinidae.
Nuculoma douvillei^[77]	Sp. nov	Valid	Ayoub-Hannaa, Fürsich & Abdelhady	Middle Jurassic (Bathonian to Callovian)	Kehailia Formation	Egypt	A member of the family Nuculidae.
Nuculoma sinaiensis^[77]	Sp. nov	Valid	Ayoub-Hannaa, Fürsich & Abdelhady	Jurassic (Toarcian to lower Kimmeridgian)	Bir Maghara Formation	Egypt	A member of the family Nuculidae.
Pachygervillia^[78]	Gen. et sp. et comb. nov	Valid	Posenato & Crippa	Early Jurassic (Sinemurian–Toarcian)	Rotzo Formation	Italy	A member of Ostreida belonging to the family Plicatostylidae. The type species is P. anguillaensis; genus also includes "Perna" taramellii Boehm (1884).
Pachytraga carpathica^[79]	Sp. nov		Masse, Fenerci-Masse & Bucur	Early Cretaceous (Barremian)		Romania	A rudist bivalve belonging to the family Caprinidae.
Pachytraga gracilis^[80]	Sp. nov		Masse, Frau & Fenerci-Masse	Early Cretaceous (Barremian)		France	A rudist bivalve belonging to the family Caprinidae.
Palaeolima badiotica^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Limidae.
Palaeoneilo aegyptiaca^[77]	Sp. nov	Valid	Ayoub-Hannaa, Fürsich & Abdelhady	Jurassic (Bajocian to Bathonian)	Kehailia Formation	Egypt	A member of Nuculanida belonging the family Cucullellidae.
Parvitrigonia^[69]	Gen. et sp. nov	Valid	Halligan	Early Cretaceous (Albian)		United States ( Washington)	A member of Trigoniida belonging to the family Rutitrigoniidae. The type species is P. cooperi.
Pinna pacata^[81]	Sp. nov	Valid	Shilekhin, Mazaev & Biakov	Permian		Russia	A species of Pinna.
Pleurophopsis thieli^[71]	Sp. nov	Valid	Kiel, Amano & Goedert	Oligocene	Makah Formation	United States ( Washington)	A member of the family Vesicomyidae.
Pliocardia? guthrieorum^[71]	Sp. nov	Valid	Kiel, Amano & Goedert	Oligocene	Lincoln Creek Formation	United States ( Washington)	Possibly a species of Pliocardia.
Promytilus merlai^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Mytilidae.
Propeamussium (Parvamussium) mistensis^[68]	Sp. nov	Valid	Hickman	Paleogene	Keasey Formation	United States ( Oregon)	A species of Propeamussium.
Prospondylus shakhtauensis^[82]	Sp. nov	Valid	Biakov in Biakov & Mazaev	Permian		Russia	A member of Pectinida belonging to the family Prospondylidae.
Sisonia ultimoi^[76]	Sp. nov	Valid	Kiel, Sami & Taviani	Miocene (Langhian)		Italy	A bivalve of uncertain affinities.
Squiresica plana^[71]	Sp. nov	Valid	Kiel, Amano & Goedert	Oligocene	Lincoln Creek Formation	United States ( Washington)	A member of the family Vesicomyidae.
Squiresica yooni^[71]	Sp. nov	Valid	Kiel, Amano & Goedert	Miocene	Duho Formation	South Korea	A member of the family Vesicomyidae.
Streblopteria gracilicosta^[83]	Sp. nov	Valid	Biakov	Permian		Russia	A member of Pectinida belonging to the family Streblochondriidae.
Streblopteria parenensis^[83]	Sp. nov	Valid	Biakov	Permian		Russia	A member of Pectinida belonging to the family Streblochondriidae.
Tambanella? stetteneckensis^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Bakevelliidae.
Thiadensia^[84]	Gen. et comb. nov		Mitchell	Late Cretaceous (Maastrichtian)		Cuba	A rudist bivalve belonging to the subfamily Radiolitidae. The type species is "Bournonia" planasi Thiadens (1936).
Valenciella^[67]	Gen. et comb. nov	Valid	Cooper	Cretaceous		Egypt Lebanon Spain	A member of Trigoniida belonging to the family Rutitrigoniidae and the subfamily Syrotrigoniinae. The type species is "Trigonia" picteti Coquand (1863); genus also includes "Trigonia" analoga Douvillé (1916), "Trigonia" depauperata Douvillé (1916), "Trigonia" higazyi Abbass (1962), "Trigonia" loutfyi Abbass (1962), "Trigonia" magharensis Abbass (1962) and "Trigonia" undulatocostata Blanckenhorn (1890).
Vermuntia^[84]	Gen. et comb. nov		Mitchell	Late Cretaceous		Jamaica	A rudist bivalve belonging to the subfamily Radiolitidae. The type species is "Radiolites" macroplicatus Whitfield (1897); genus also includes "Branislavia" stellaplicatus Mitchell & Ramsook (2009).
Volsellina carinata^[65]	Sp. nov	Valid	Prinoth & Posenato	Permian (Changhsingian)	Bellerophon Formation	Italy	A member of the family Mytilidae.
Yuexiconcha^[85]	Gen. et sp. nov	Valid	Zhang, Niu & Johnston in Niu et al.	Ordovician	Dongchong Formation	China	A member of Protobranchia, possibly belonging to the family Nuculidae. The type species is Y. duplicata.

Bivalve research

A study on the fossil record of bivalves is published by Zhou et al. (2023), who report that bivalves did not undergo and increase in taxonomic, morphological and functional diversity until the Ordovician, and did not undergo a burst of functional diversity relative to taxonomic diversity even during their Ordovician diversification.^[86]
A study on the diversification dynamics of bivalves and brachiopods throughout their evolutionary histories is published by Guo et al. (2023), who interpret their findings as indicating that the switch from brachiopods to bivalves as major seabed organisms was unlikely to be caused by competitive exclusion of brachiopods by bivalves, but rather was likely caused by loss of brachiopod diversity in the Permian–Triassic extinction event and by bivalve diversification in the Cretaceous and Cenozoic that wasn't matched by brachiopods.^[87]
A study on changes of taxonomic and functional diversity of bivalves during the Triassic-Jurassic transition is published by Abdelhady et al. (2023), who consider the sea-level fall causing the destruction of shallower marine habitats to be the primary cause of bivalve extinction in the studied time interval.^[88]
Description of a new Cenomanian rudist asssemblage from the Gattar Member of the Zebbag Formation (Tunisia), and study on the relationships between the new assemblage and other Cenomanian rudist asssemblages from North Africa and the Levant region, is published by Philip, Negra & Bachari (2023).^[89]
Özer & Săsăran (2023) reexamine the holotype and paratypes of Lattenbergites hermi, and interpret it as a junior synonym of the radiolitid species Joufia milovanovici.^[90]
Evidence from fossils from the Pecínov Member of the Peruc–Korycany Formation and from the Bílá Hora Formation (Czech Republic), indicative of changes of the composition of the bivalve assemblages resulting from the Cenomanian-Turonian boundary event, is presented by Kunstmüllerová & Košťák (2023).^[91]

Gastropods

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Agathotoma estherae^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A species of Agathotoma.
Akburunella laminaris^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[93]
Akburunella nefanda archaica^[93]	Ssp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[93]
Akburunella sinuosa^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[93]
Akburunella spinosa^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[93]
Aliculastrum suratensis^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Aliculastrum.
Altadema hausmannae^[95]	Sp. nov	Valid	Nützel & Karapunar	Early Triassic	Werfen Formation	Italy	A member of the family Goniasmatidae.
Alvania praetermissa^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Alvania.
Ammotectonica^[97]	Gen. et sp. et comb. nov	Valid	Harzhauser & Landau	Miocene and Pliocene		Czech Republic Hungary Italy	A member of the family Architectonicidae. The type species is A. gregorovae; genus also includes "Solarium" emiliae Semper (1861), "Solarium" deshayesii Michelotti (1847) and "Solarium" soproniense Strausz (1960).
Andonia fosseensis^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France
Aspella tusciae^[98]	Sp. nov	Valid	Forli, Cresti & Pagli	Pliocene		Italy	A species of Aspella.
Athleta (Volutospina) baili^[99]	Sp. nov	Valid	Pacaud & Ledon	Eocene (Bartonian)		France	A species of Athleta.
Attiliosa emilyae^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Attiliosa.
Attiliosa septaspinosa^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Attiliosa.
Attiliosa subgretae^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Attiliosa.
Bela obesoiberica^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A species of Bela.
Bela olivoidea^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A species of Bela.
Bernaya kaylinae^[101]	Sp. nov	Valid	Squires & Groves	Eocene	Llajas Formation	United States ( California)	A species of Bernaya.
Bittium miradouroense^[102]	Sp. nov	Valid	Sacchetti, Landau & Ávila	Pliocene		Portugal ( Azores)	A species of Bittium.
Bizetiella attiliosaformis^[100]	Sp. nov	Valid	Lozouet	Miocene		France	A species of Bizetiella.
Bolma redoniana^[96]	Nom. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Bolma; a replacement name for Turbo trochleatus Millet.
Brachystomia succineiformis^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	A species of Brachystomia. Published online in 2023, but the issue date is listed as December 2022.^[93]
Caecum roederi^[103]	Sp. nov	Valid	Raines, Powell & LaFollette	Miocene		United States ( California)	A species of Caecum.
Calagrassor mathiasi^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Calagrassor.
Calliostoma nandori^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Calliostoma.
Calotrophon vaporosus^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Calotrophon.
Carychium nashuaense^[105]	Sp. nov	Valid	Jochum, Lee & Portell in Jochum et al.	Early Pleistocene	Nashua Formation	United States ( Florida)	A species of Carychium.
Cerithiella bisulcata^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Cerithiella.
Chauvetia brunettii^[106]	Sp. nov	Valid	Landau & Micali	Pliocene		Italy Spain	A species of Chauvetia.
Chauvetia fenestrata^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia fortiornata^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia hoffmani^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia janseni^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia obesa^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia oliveri^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia pseudopelorcei^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia sinuosa^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia solida^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chauvetia spinosa^[106]	Sp. nov	Valid	Landau & Micali	Pliocene (Piacenzian)		Spain	A species of Chauvetia.
Chesathais pungoensis^[107]	Sp. nov	Valid	Petuch & Berschauer	Miocene	Pungo River Formation	United States ( North Carolina)
Chicoreus marcominii^[100]	Sp. nov	Valid	Lozouet	Miocene		France	A species of Chicoreus.
Chicoreus sacyi^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Chicoreus.
Cingulina eamesi^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Cingulina.
Cirsotrema kokayi^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Cirsotrema.
Clanculus s. l. gulyasi^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A member of the family Trochidae.
Clavatula s. l. barnabasi^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A member of the family Clavatulidae.
Clavatula s. l. istvani^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A member of the family Clavatulidae.
"Clavatula" pettkoi^[108]	Sp. nov	Valid	Biskupič	Miocene	Studienka Formation	Slovakia	A member of the family Clavatulidae.
Conomurex indica^[109]	Sp. nov	Valid	Bose, Das & Saha	Miocene	Dwarka Basin	India	A species of Conomurex.
Conotomaria dovilleae^[110]	Sp. nov	Valid	Chaix & Grenier	Late Cretaceous (Campanian)		France	A member of the family Pleurotomariidae.
Conotomaria pilonae^[110]	Sp. nov	Valid	Chaix & Grenier	Late Cretaceous (Campanian)		France	A member of the family Pleurotomariidae.
Cornirostra anistratenkorum umbilicaris^[93]	Ssp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[93]
Cossmannina australis^[111]	Sp. nov		Ferrari	Early Jurassic (Pliensbachian)	Lepá Formation	Argentina	A member of Acteonoidea belonging to the family Tubiferidae.
Costoanachis haurzhauseri^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Costoanachis.
Costoanachis malaquiasi^[112]	Sp. nov	Valid	Landau, Harzhauser & Monsecour	Pliocene (Piacenzian)		Spain	A species of Costoanachis.
Costosyrnola taptiensis^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Costosyrnola.
Cylichna (Cylichna) ypresiana^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Cylichna.
Cylindrobullina caquelensis^[111]	Sp. nov		Ferrari	Early Jurassic (Pliensbachian)	Lepá Formation	Argentina	A member of Acteonoidea belonging to the family Cylindrobullinidae.
Cymia (sensu lato) praecaerulea^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A member of the family Muricidae.
Cymia (sensu lato) subcaerulea^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A member of the family Muricidae.
Cypraedia misrensis^[113]	Nom. nov	Valid	Pacaud	Eocene (Bartonian)		Egypt	A member of the family Ovulidae; a replacement name for Cypraea (Cypraedia) arabica Cuvillier (1935).
Dentimargo barnai^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Dentimargo.
Dilatilabrum mahalonobisi^[109]	Sp. nov	Valid	Bose, Das & Saha	Miocene	Dwarka Basin	India
Echinophoria statioliteralis^[114]	Sp. nov		Darragh			Australia	A species of Echinophoria.
Ecphora (Powhatan) grulkei^[107]	Sp. nov	Valid	Petuch & Berschauer			United States	A species of Ecphora.
Ecphora roxaneae dalli^[107]	Ssp. nov	Valid	Petuch & Berschauer		Goose Creek Limestone	United States ( South Carolina)
Edrozeba^[93]	Gen. et 4 sp. et comb. nov	Valid	Guzhov	Miocene		Russia	A member of the family Hydrobiidae. The type species is E. caeca; genus also includes new species E. angulata, E. minuta and E. striata, as well as "Hydrobia" enikalensis Kolesnikov (1935). Published online in 2023, but the issue date is listed as December 2022.^[93]
Ellobium kerwaense^[115]	Sp. nov	Valid	Harzhauser, Pacaud & Landau	Oligocene (Chattian)	Mány Formation	Hungary	A species of Ellobium.
Eocypraea judithsmithae^[101]	Sp. nov	Valid	Groves & Squires	Eocene	Llajas Formation	United States ( California)	A member of the family Eocypraeidae.
Eoellobium^[115]	Gen. et comb. nov	Valid	Harzhauser, Pacaud & Landau	Eocene (Bartonian)		France	A member of the family Ellobiidae. The type species is "Auricula" heberti Vasseur (1881); genus also includes "Melampus" britannus Vasseur (1882) and "Auricula" simplex Cossmann (1895).
Eopterodonta^[116]	Nom. nov	Valid	Pacaud	Late Cretaceous		France	A member of the family Tylostomatidae; a replacement name for Pterodonta d'Orbigny (1843).
Erato mayeri^[102]	Sp. nov	Valid	Sacchetti, Landau & Ávila	Pliocene		Portugal ( Azores)	A species of Erato.
Euspira? louiemarincovichi^[117]	Sp. nov		Powell & Dineen	Pleistocene (Gelasian)	Gubik Formation	United States ( Alaska)	Possibly a species of Euspira.
Falsipyrgula ? coronata^[118]	Sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A member of the family Hydrobiidae.
Favartia faviai^[100]	Sp. nov	Valid	Lozouet	Miocene		France	A species of Favartia.
Galeodea fuscirivularis^[114]	Sp. nov		Darragh			Australia	A species of Galeodea.
Galeodea goudeyi^[114]	Sp. nov		Darragh			Australia	A species of Galeodea.
Gibbula kralli^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Gibbula.
Glabrocingulum (Stenozone) heminodosus^[119]	Sp. nov		Pinilla & Taboada	Permian	Pampa de Tepuel Formation	Argentina	A member of the family Eotomariidae.
Globecphora mardieae^[107]	Sp. nov	Valid	Petuch & Berschauer			United States
Globulocerithium^[120]	Gen. et nom. nov	Valid	Pacaud	Paleogene		Belgium France Germany Hungary Italy Poland Ukraine	A member of the family Cerithiidae. The type species is "Cerithium" globulosus Deshayes (1833); genus also includes "Cerithium" coezi Boussac (1911), "Cerithium" dallagonis Oppenheim (1894), "Cerithium" felix Deshayes (1864), "Cerithium" filifer Deshayes (1833), "Cerithium" filigrana von Koenen (1891), "Cerithium" guilielmi de Raincourt (1877), "Cerithium" intradentatum Deshayes (1864), "Cerithium" meneghinii Michelotti (1861), "Potamides" montense Briart & Cornet (1873), "Cerithium" petrafixense Cossmann & Lambert (1884), "Cerithium" piriforme Defrance (1817), "Cerithium" semicostatum Deshayes (1833), "Cerithium" tenuistriatum Melleville (1843), "Cerithium" tournissanense Doncieux (1908), "Cerithium" tumidum Braun in Walchner (1851), "Cerithium" vandenheckei Bellardi (1852), "Pyrazus" vignyensis Bouniol (1981) and Globulocerithium nautagarona (a replacement name for Cerithium coloniae Leymerie, 1878).
Graecoanatolica alcicekorum^[118]	Sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A species of Graecoanatolica.
Hartmutix^[121]	Gen. et comb. nov	Valid	Neubauer & Harzhauser	Eocene		France	Possibly a member of the family Sphinterochilidae. The type species is "Helix" edwardsi Deshayes (1863).
Harzhauseria^[118]	Gen. et sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A member of the family Hydrobiidae. The type species is H. schizopleura.
Hastula wilmulderae^[122]	Sp. nov	Valid	Landau & Harzhauser	Pliocene (Piacenzian)		Spain	A species of Hastula.
Heliacus globosus^[97]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Baden Formation	Austria	A species of Heliacus.
Helix kadolskyi^[121]	Nom. nov	Valid	Neubauer & Harzhauser	Miocene		Bulgaria	A species of Helix; a replacement name for Helix toulai Kojumdgieva (1969)
Hemithersitea kanerus^[109]	Sp. nov	Valid	Bose, Das & Saha	Miocene	Dwarka Basin	India
Hemithersitea nadharus^[109]	Sp. nov	Valid	Bose, Das & Saha	Miocene	Dwarka Basin	India
Hydrobia neofrauenfeldi^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	A species of Hydrobia. Published online in 2023, but the issue date is listed as December 2022.^[93]
Inella bentae^[123]	Sp. nov	Valid	Landau, Bakker & Marques da Silva	Pliocene	Estepona Basin	Spain	A species of Inella.
Iraklimelania minutissima^[118]	Sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A member of the family Hydrobiidae.
Iraklimelania submediocarinata^[118]	Sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A member of the family Hydrobiidae.
Islamiella^[124]	Gen. et 2 sp. nov	Valid	Guzhov	Miocene		Russia ( Adygea)	A member of the family Hydrobiidae. Genus includes I. miocenica and I. maeotica.
Kantoria^[125]	Gen. et comb. et sp. nov	Valid	Landau & Harzhauser	Miocene and Pliocene		Austria Italy Spain	A member of the family Pseudomelatomidae. The type species is "Pleurotoma" coquandi Bellardi (1847); genus also includes new species K. castoris, as well as "Pleurotoma" lamarckii Michelotti (1847), "Knefastia" sinuslata Vera-Peláez (2002) and "Comitas" catherinae Vera-Peláez (2022).
Laschmaspira lirata^[95]	Sp. nov	Valid	Nützel & Karapunar	Late Triassic (Carnian)	Hallstatt Limestone	Austria	A member of the family Goniasmatidae.
Lagunaspira^[119]	Gen. et sp. nov		Pinilla & Taboada	Permian	Pampa de Tepuel Formation	Argentina	A member of the family Eotomariidae. The type species is L. labrocostellata.
Leucotina costata^[126]	Sp. nov	Valid	Guzhov	Miocene		Russia ( Adygea)	A species of Leucotina
Leucotina excussa^[126]	Sp. nov	Valid	Guzhov	Miocene		Russia ( Adygea)	A species of Leucotina
Leucotina ovata^[126]	Sp. nov	Valid	Guzhov	Miocene		Russia ( Adygea)	A species of Leucotina
Leucotina ovatoides^[126]	Sp. nov	Valid	Guzhov	Miocene		Russia ( Adygea)	A species of Leucotina
Mangelia pseudoceddaensis^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A species of Mangelia.
Mcleanarene^[127]	Gen. et nom. nov	Valid	Pacaud	Late Cretaceous (Campanian)		Spain	A member of the family Areneidae. The type species is M. taluniya (a replacement name for Arene mcleani Kiel & Bandel, 2002).
Megastomia canaliculata^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Megastomia.
Megastomia carinata^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Megastomia.
Mitrella avilai^[112]	Sp. nov	Valid	Landau, Harzhauser & Monsecour	Pliocene (Piacenzian)		Spain	A species of Mitrella.
Mitrella pagodiformis^[112]	Sp. nov	Valid	Landau, Harzhauser & Monsecour	Pliocene (Piacenzian)		Spain	A species of Mitrella.
Mitrella soveri^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Mitrella.
Mitrella velerinensis^[112]	Sp. nov	Valid	Landau, Harzhauser & Monsecour	Pliocene (Piacenzian)		Spain	A species of Mitrella.
Monteiroconus strauszi^[129]	Sp. nov	Valid	Kovács & Vicián	Miocene	Lajta Limestone Formation	Hungary	A member of the family Conidae.
Morula (sensu lato) duplex^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A member of the family Muricidae.
Nipteraxis deformatus^[97]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Baden Formation	Austria
Nucella demouthae^[130]	Sp. nov	Valid	Powell, Roth & Garcia	Miocene	Wilson Grove Formation	United States ( California)	A species of Nucella.
Ocenebra pseudoexcoelata^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Ocenebra.
Ocenebra tarusatensis^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Ocenebra.
Ocinebrina deaki^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Ocinebrina.
Odostomia caucasica^[93]	Sp. nov	Valid	Guzhov	Miocene		Russia	A species of Odostomia. Published online in 2023, but the issue date is listed as December 2022.^[93]
Odostomia concavata^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Odostomia.
Ophieulima ligeriana^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Ophieulima.
Ormastralium erazmusi^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A member of the family Turbinidae.
Orthonychia yutaroi^[131]	Sp. nov	Valid	Ebbestad in Nützel et al.	Ordovician (Katian)	Boda Limestone	Sweden	A member of the family Orthonychiidae.
Oxymeris transleithana^[132]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Lajta Formation	Austria Hungary	A species of Oxymeris.
Palaeoglandina turolensis^[133]	Sp. nov	Valid	Albesa & Neubauer	Miocene (Tortonian) and Pliocene (Zanclean)	Teruel Basin	Spain	A member of the family Spiraxidae belonging to the subfamily Euglandininae.
Palazzia omalogyroides^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Palazzia.
Palmoliva^[134]	Gen. et comb. nov	Valid	Allmon & Friend	Eocene		United States	A member of the family Ancillariidae. Genus includes "Ancillaria" tenera Conrad and Ancillaria scamba Conrad.
Patagorbitestella leonensis^[135]	Sp. nov	Valid	Di Luca, Griffin & Pastorino	Miocene	Monte León Formation	Argentina	A member of the family Orbitestellidae.
Peringia tarkhanica^[124]	Sp. nov	Valid	Guzhov	Miocene		Russia ( Krasnodar Krai)	A species of Peringia.
Pictarene^[127]	Gen. et nom. nov	Valid	Pacaud	Paleocene (Danian)		Denmark	A member of the family Areneidae. The type species is Pictarene faxensis (a replacement name for Delphinula (Pseudoninella) depressa Ravn, 1933).
Pisania klaudiae^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Pisania.
Pomatiasia^[93]	Gen. et comb. nov	Valid	Guzhov	Miocene		Russia	A member of the family Hydrobiidae. Genus includes "Amnicola" cyclostomoides Sinzov (1880). Published online in 2023, but the issue date is listed as December 2022.^[93]
Ponderia chattica^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Ponderia.
Probaicalia okurai^[136]	Sp. nov	In press	Isaji	Early Cretaceous (Barremian)	Itsuki Formation	Japan
Pseudosimnia javanensis^[137]	Sp. nov	Valid	Celzard & Dovesi	Miocene		Indonesia	A species of Pseudosimnia.
Pseudotorinia grasemanni^[97]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Baden Formation	Austria Bulgaria Hungary	A species of Pseudotorinia.
Pseudotuba^[97]	Gen. et comb. nov	Valid	Harzhauser & Landau	Eocene to Miocene		Austria France Hungary Italy Romania United Kingdom	A member of the family Mathildidae. The type species is Tuba sulcata var. badensis Sacco (1895), raised to the rank of the species P. badensis; genus also includes "Cyclostoma" cancellata Grateloup (1828), "Tuba" pedemontana Sacco (1895), "Turbo" bellardii d'Orbigny (1852), "Littorina" cyclostomoides Deshayes (1861), "Tuba" elatospira Cossmann (1907) and "Turbo" sculptus Sowerby (1823).
Pterynotus poustagnacensis^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Pterynotus.
Pupisoma (Ptychopatula) schaeferi^[138]	Sp. nov	Valid	Kadolsky	Miocene		Germany	A species of Pupisoma.
Purpurellus aquitanicus^[100]	Sp. nov	Valid	Lozouet	Oligocene and Miocene		France	A species of Purpurellus.
Pustulosia^[139]	Gen. et comb. nov	Valid	Harzhauser, Guzhov & Landau	Miocene		Ukraine	A member of the family Batillariidae. The type species is "Cerithium" submitrale Eichwald (1851); genus also includes "Cerithium" hornense Schaffer (1912).
Putzeysia diversii^[76]	Sp. nov	Valid	Kiel, Sami & Taviani	Miocene (Langhian to Tortonian)		Italy	A Putzeysia.
Ringicula costata chokrakensis^[140]	Ssp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[140]
Ringicula costata paratethica^[140]	Ssp. nov	Valid	Guzhov	Miocene		Russia	Published online in 2023, but the issue date is listed as December 2022.^[140]
Ringicula guzhovi^[141]	Nom. nov	Valid	Landau, Harzhauser & Malaquias	Miocene			A species of Ringicula; a replacement name for Voluta exilis Eichwald (1829).
Ringicula knolli^[94]	Sp. nov		Banerjee & Halder	Eocene	Cambay Shale	India	A species of Ringicula.
Ringicula subglobosa^[140]	Sp. nov	Valid	Guzhov	Miocene		Russia	A species of Ringicula. Published online in 2023, but the issue date is listed as December 2022.^[140]
Rissoa federicoi^[142]	Nom. nov	Valid	Kovács & Stein	Miocene	Vienna Basin	Austria	A species of Rissoa; a replacement name for Rissoia (Turboella) acuticosta Sacco (1895).
Sconsia landaui^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Sconsia.
Setia minutissima^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Setia.
Simplexollata^[97]	Gen. et sp. et comb. nov	Valid	Harzhauser & Landau	Oligocene to Pleistocene		Austria Bulgaria Czech Republic France Germany Greece Hungary Italy France Netherlands Poland Romania	A member of the family Architectonicidae. The type species is S. anticollata; genus also includes "Solarium" carocollatum Lamarck (1822), "Solarium" simplex Bronn (1831), "Solarium" gratteloupi d'Orbigny (1852), "Solarium" stephanense Cossmann & Peyrot (1919), "Solarium" carocollatosimplex Sacco (1892) and "Architectonica" ariei Wienrich (2007).
Siphoecphora gerrardi^[107]	Sp. nov	Valid	Petuch & Berschauer	Miocene	Pungo River Formation	United States ( North Carolina)
Skeneoides karrineae^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Skeneoides.
Solatisonax pozsgayae^[104]	Sp. nov	Valid	Kovács, Leél-Őssy & Vicián	Miocene	Pétervására Formation	Hungary	A species of Solatisonax.
Solatisonax tavianii^[97]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Dej Formation	Romania	A species of Solatisonax.
Solatisonax? transversa^[97]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Dej Formation	Hungary Romania	Possibly a species of Solatisonax.
Sorgenfreispira planicostata^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A species of Sorgenfreispira.
Subepona leahae^[101]	Sp. nov	Valid	Squires & Groves	Eocene	Llajas Formation	United States ( California)	A species of Subepona.
Sulcoactaeon fallax^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon gerassimovi^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon insuetus^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon kremenkensis^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon polivnensis^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon rotundus^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon shumilkini^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Sulcoactaeon simbirskensis^[143]	Sp. nov	Valid	Blagovetshenskiy	Early Cretaceous		Russia
Suluspira gallica^[96]	Sp. nov	Valid	Landau, Van Dingenen & Ceulemans	Miocene		France	A species of Suluspira.
Tacheocampylaea fornacis^[144]	Sp. nov	Valid	Esu & Girotti	Pleistocene		Italy	A species of Tacheocampylaea.
Teiichispira teresae^[145]	Sp. nov	Valid	Bertero, Ferrari & Carrera	Ordovician	San Juan Formation	Argentina	A member of the family Macluritidae.
Terebra golebiowskii^[132]	Sp. nov	Valid	Harzhauser & Landau	Miocene	Baden Formation	Austria	A species of Terebra.
Terebra henkmulderi^[122]	Sp. nov	Valid	Landau & Harzhauser	Pliocene (Piacenzian)		Spain	A species of Terebra.
Terebra praehistrio^[122]	Sp. nov	Valid	Landau & Harzhauser	Pliocene (Piacenzian)		Spain	A species of Terebra.
Textiliomurex problematicus^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A member of the family Muricidae.
Theodisca^[139]	Gen. et comb. nov		Harzhauser, Guzhov & Landau	Miocene to Pleistocene		Austria	A member of the family Potamididae. The type species is "Cerithium" theodiscum Rolle (1856); genus also includes "Cerithium" cicur Zhizhchenko (1934), "Potamides" biseriatus Friedberg (1914), "Potamides" azerbajdjanicus K. A. Ali-Zade (1940), "Cerithium" graecum Deshayes (1832) and "Cerithium" etruscum Mayer (1864). The generic name is shared with Theodisca Müller (1858).
Timbellus cailloelensis^[146]	Sp. nov	Valid	Ledon et al.	Eocene (Lutetian)		France	A species of Timbellus.
Timbellus hesdinensis^[146]	Sp. nov	Valid	Ledon et al.	Eocene (Lutetian)		France	A species of Timbellus.
Timbellus wozniaki^[146]	Sp. nov	Valid	Ledon et al.	Eocene (Lutetian)		France	A species of Timbellus.
Toroidia tavianii^[147]	Sp. nov	Valid	Micali & Villari	Plio-Pleistocene		Italy
Triphora (sensu lato) freixiensis^[123]	Sp. nov	Valid	Landau, Bakker & Marques da Silva	Pliocene	Mondego Basin		A member of the family Triphoridae.
Trisecphora governorensis^[107]	Sp. nov	Valid	Petuch & Berschauer	Miocene	Calvert Formation	United States ( Maryland)	A species of Trisecphora.
Trisecphora precursor^[107]	Sp. nov	Valid	Petuch & Berschauer	Miocene	Pungo River Formation	United States ( North Carolina)	A species of Trisecphora.
Trisecphora (Recurvecphora) recurvicostata^[107]	Sp. nov	Valid	Petuch & Berschauer	Miocene	Pungo River Formation	United States ( North Carolina)	A species of Trisecphora.
Tritia bagolyensis^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Tritia.
Tritia domonkosi^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Tritia.
Tritia gerdsteini^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Tritia.
Tritia letkesensis^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Tritia.
Trubatsa larratensis^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Trubatsa.
Trubatsa subaturensis^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Trubatsa.
Trubatsa trounensis^[100]	Sp. nov	Valid	Lozouet	Oligocene		France	A species of Trubatsa.
Turritellinella devinensis^[148]	Sp. nov	Valid	Biskupič	Miocene	Studienka Formation	Slovakia	A member of the family Turritellidae.
Umbilia tomdarraghi^[149]	Sp. nov	Valid	Southgate & Militz	Pliocene		Australia	A species of Umbilia.
Vexiguraleus iberoangulatus^[92]	Sp. nov	Valid	Landau, Harzhauser & Giannuzzi-Savelli	Pliocene		Spain	A member of the family Mangeliidae.
Xamaycarene^[127]	Gen. et comb. nov	Valid	Pacaud	Late Cretaceous (Maastrichtian)	Shaw Castle Shale	Jamaica	A member of the family Areneidae. The type species is "Arene" truncatosphaera Sohl (1998).
Xestopyrguloides ? sagitta^[118]	Sp. nov	Valid	Neubauer & Wesselingh	Pleistocene (Gelasian)	Kolankaya Formation	Turkey	A member of the family Hydrobiidae.
Zafrona olgapirosae^[128]	Sp. nov	Valid	Kovács & Vicián	Miocene		Hungary	A species of Zafrona.

Gastropod research

Review of the world-wide fossil record and evolutionary history of freshwater gastropods is published by Neubauer (2023).^[150]
A study on the biogeographic distributions of pleurotomariids throughout their evolutionary history from Maastrichtian to Holocene is published by Bose, Das & Mondal (2023).^[151]
A study on the diversity of potamidids and batillariids in the Paratethys through time is published by Harzhauser et al. (2023), who interpret the studied groups as a whole not to be mangrove indicators, and find only members of the genera Mesohalina, Ptychopotamides, Terebralia and probably Tiarapirenella to be associated with mangroves during the Oligocene to early Middle Miocene in the Central Paratethys, while other members of the studied groups adapted to environments devoid of mangroves.^[152]
Revision and study on the affinities of the Plio-Pleistocene turritellids from the Atlantic Coastal Plain and Florida is published by Friend et al. (2023).^[153]

Other molluscs

Name	Novelty	Status	Authors	Age	Type locality	Location	Notes
Celtopileus^[154]	Gen. et sp. nov	Valid	Cope & Ebbestad	Ordovician (Floian)	Ogof Hen Formation	United Kingdom	A member of Tergomya belonging to the group Kirengellida and possibly to the family Hypseloconidae. The type species is C. calvapex.
Costulaconus^[154]	Gen. et sp. nov	Valid	Cope & Ebbestad	Ordovician (Floian)	Ogof Hen Formation	United Kingdom	A member of Tergomya belonging to the group Kirengellida and possibly to the family Hypseloconidae. The type species is C. mirificus.
Eotebenna danica^[155]	Sp. nov	Valid	Peel & Berg-Madsen	Cambrian (Drumian and Guzhangian)	Andrarum Limestone	Denmark Sweden	A member of Helcionelloida belonging to the family Yochelcionellidae.
Hensoniconus^[156]	Gen. et comb. nov	Valid	Peel	Cambrian (Wuliuan)	Henson Gletscher Formation	Greenland	A member of Helcionelloida. The type species is Scenella? siku Peel & Kouchinsky (2022).
Incisiochiton pustulifer^[157]	Sp. nov	Valid	Sirenko & Dell'Angelo	Paleocene	Luzanovka Beds	Ukraine	A chiton belonging to the family Schizochitonidae.
Proplina areniga^[154]	Sp. nov	Valid	Cope & Ebbestad	Ordovician (Floian)	Ogof Hen Formation	United Kingdom	A member of Tergomya belonging to the group Tryblidiida and to the family Proplinidae.
Proplina? obtusa^[154]	Sp. nov	Valid	Cope & Ebbestad	Ordovician (Floian)	Ogof Hen Formation	United Kingdom	A member of Tergomya belonging to the group Tryblidiida and to the family Proplinidae.

Other mollusc research

Qiang et al. (2023) describe new fossil material of Anabarella plana from the Cambrian Yanjiahe Formation (China), and consider A. plana to be the only member of the genus Anabarella definitely present in South China.^[158]

General research

Slater (2023) describes microscopic molluscan radulae from the Cambrian (Wuliuan) Borgholm Formation (Sweden), similar to the radulae of extant gastropods specialized for piercing and sucking the tissues of green algae, and interpret this finding as indicating that this form of herbivory was already present among Cambrian molluscs.^[159]
Fossil material representing the first evidence of gastropod drilling predation on molluscan prey from Coniacian is reported from the Anaipadi Member of the Garudamangalam Formation (India) by Mukhopadhyay et al. (2023).^[160]
A diverse molluscan assemblage dominated by turritellid gastropods from Kachchh (India), originally interpreted as Late Jurassic in age, is reinterpreted as more likely Miocene in age by Fürsich et al. (2023).^[161]

References

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Korn, D.; Weyer, D. (2023). "The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)". European Journal of Taxonomy (882): 1–230. doi:10.5852/ejt.2023.882.2177. S2CID 260045030.
1 2 3 4 5 6 7 Zohara Malti, F.; Nemyrovska, T. I.; Ameur, M.; Korn, D. (2023). "Lithostratigraphy, conodont and ammonoid stratigraphy of the Hassi Sguilma Formation (Early Carboniferous; Saoura Valley, Algeria)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 307 (2): 155–199. doi:10.1127/njgpa/2023/1121. S2CID 257570542.
↑ Frau, C.; Fuhr, M. (2023). "Arpavoniceras buloti gen. et sp. nov.; a new lower Hauterivian heteromorphic ammonoid from southern France and its place in the evolution of Cretaceous ammonites". Cretaceous Research. 151. 105628. Bibcode:2023CrRes.15105628F. doi:10.1016/j.cretres.2023.105628. S2CID 259685143.
↑ Zaitsev, B. A.; Ippolitov, A. P. (2023). "Early Jurassic (Sinemurian) Ammonoids from the Boulders of the Greek Quarry, Central Crimea". Stratigraphy and Geological Correlation. 31 (4): 221–274. Bibcode:2023SGC....31..221Z. doi:10.1134/S0869593823040068. S2CID 259848128.
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1 2 Korn, D.; Weyer, D. (2023). "The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian–Carboniferous boundary; Upper Franconia, Germany)". European Journal of Taxonomy (883): 1–61. doi:10.5852/ejt.2023.883.2179. S2CID 260023186.
↑ Shigeta, Y.; Sakai, T.; Fujita, H. (2023). "A New Species of Tanabeceras (Ammonoidea, Tetragonitidae) from the Middle Cenomanian (Upper Cretaceous) of Hokkaido, Japan". Paleontological Research. 28 (3): 279–290. doi:10.2517/PR230015. S2CID 266315468.
↑ Shigeta, Y. (2023). "An Investigation of Two Small-Sized Taxa Assigned to the Genus Tetragonites (Ammonoidea, Tetragonitidae) from the Upper Cretaceous (Turonian to Campanian) of Hokkaido, Northern Japan". Paleontological Research. 28 (3): 195–221. doi:10.2517/PR230001. S2CID 260404597.
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↑ Jattiot, R.; Lehmann, J.; Kruta, I.; Rouget, I. (2023). "Mature modifications and sexual dimorphism in Turrilitidae (heteromorph ammonites): contribution of remarkable Mariella bergeri specimens (upper Albian, southeastern France)". Cretaceous Research. 151. 105651. Bibcode:2023CrRes.15105651J. doi:10.1016/j.cretres.2023.105651. S2CID 259510135.
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↑ Jain, S.; Salamon, M. A.; Schweigert, G.; Paszcza, K. (2023). "Ammonite-calibrated nautiloid occurrences from the Callovian-Oxfordian (Middle-Upper Jurassic) deposits of southern Poland". Historical Biology: An International Journal of Paleobiology: 1–33. doi:10.1080/08912963.2023.2220006. S2CID 259685393.
↑ Weis, R.; Schweigert, G.; Wittische, J. (2023). "A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany". Swiss Journal of Palaeontology. 142 (1). 24. Bibcode:2023SwJP..142...24W. doi:10.1186/s13358-023-00290-6.
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1 2 3 Leonova, T. B.; Shchedukhin, A. Yu. (2023). "New Nautilida from the Shakhtau Asselian-Sakmarian reef complex (Bashkortostan)". Paleontological Journal. 57 (4): 380–391. Bibcode:2023PalJ...57..380L. doi:10.1134/S003103012304007X. S2CID 261103829.
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↑ Fürsich, F. T.; Bhosale, S.; Alberti, M.; Pandey, D. K. (2023). "Miocene instead of Jurassic: the importance of sound fieldwork for paleontological data analysis". Journal of Paleontology. 97 (2): 341–346. Bibcode:2023JPal...97..341F. doi:10.1017/jpa.2022.106. S2CID 256152398.

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[NJGPA3072-2] 1 2 3 4 5 6 7 Zohara Malti, F.; Nemyrovska, T. I.; Ameur, M.; Korn, D. (2023). "Lithostratigraphy, conodont and ammonoid stratigraphy of the Hassi Sguilma Formation (Early Carboniferous; Saoura Valley, Algeria)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 307 (2): 155–199. doi:10.1127/njgpa/2023/1121. S2CID 257570542.

[3] Frau, C.; Fuhr, M. (2023). "Arpavoniceras buloti gen. et sp. nov.; a new lower Hauterivian heteromorphic ammonoid from southern France and its place in the evolution of Cretaceous ammonites". Cretaceous Research. 151. 105628. Bibcode:2023CrRes.15105628F. doi:10.1016/j.cretres.2023.105628. S2CID 259685143.

[4] Zaitsev, B. A.; Ippolitov, A. P. (2023). "Early Jurassic (Sinemurian) Ammonoids from the Boulders of the Greek Quarry, Central Crimea". Stratigraphy and Geological Correlation. 31 (4): 221–274. Bibcode:2023SGC....31..221Z. doi:10.1134/S0869593823040068. S2CID 259848128.

[Buedesheimites-5] 1 2 3 4 5 6 7 Söte, T.; Becker, R. T. (2022). "Upper Frasnian ammonoids (Tornoceratidae) from Büdesheim (Eifel Mountains, Rhenish Massif, Germany)". Palaeontographica Abteilung A. 325 (1–6): 1–67. doi:10.1127/pala/2022/0136. S2CID 254960117.

[Australopseudothurmannia-6] 1 2 3 4 Marin, L. S.; Aguirre-Urreta, B.; Rawson, P. F. (2023). "Lower Cretaceous ammonoids from the Neuquén Basin, Argentina: The late Hauterivian Paraspiticeras and associated faunas". Cretaceous Research. 145. 105478. Bibcode:2023CrRes.14505478M. doi:10.1016/j.cretres.2023.105478. S2CID 256382214.

[NJGPA3082-7] 1 2 Work, D. M.; Mason, C. E. (2023). "Mississippian (early Late Tournaisian; early Osagean) ammonoids from the Nancy Member of the Borden Formation, northeastern Kentucky". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 308 (2): 113–150. doi:10.1127/njgpa/2023/1133. S2CID 259459358.

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[10] Mitta, V. V. (2023). "On the Garantianinae (Ammonoidea: Stephanoceratidae) from the Upper Bajocian of the Kuban River Basin (Northern Caucasus, Russia)". Paleontological Journal. 57 (4): 392–400. Bibcode:2023PalJ...57..392M. doi:10.1134/S0031030123040081. S2CID 261103502.

[11] Dietze, V.; Hostettler, B. (2023). "Rare ammonites from the Upper Aalenian/Lower Bajocian transition (Middle Jurassic) from the area around Moutier (Faltenjura, Switzerland)". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 309 (1): 77–91. doi:10.1127/njgpa/2023/1150. S2CID 260658186.

[12] Thongterm, K.; Shigeta, Y.; Sardsud, A.; Asato, K.; Maekawa, T.; Haga, T.; Agematsu, S.; Sashida, K. (2023). "Olenekian (Early Triassic) ammonoids and conodonts from southern Thailand" (PDF). National Museum of Nature and Science Monographs. 54: 1–171.

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[PJ573-15] 1 2 Mitta, V. V.; Sherstyukov, M. P. (2023). "On the dimorph pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the uppermost Bajocian-lowermost Bathonian of the Kuban River Basin (Northern Caucasus, Russia)". Paleontological Journal. 57 (3): 307–317. Bibcode:2023PalJ...57..307M. doi:10.1134/S0031030123030127. S2CID 259336235.

[16] May, P. T.; Lucas, S. G. (2023). "Molluscan fauna of the Upper Cretaceous Twowells Member of the Dakota Sandstone, Ojito Wilderness Area, Sandoval County, New Mexico". New Mexico Museum of Natural History and Science Bulletin. 94: 429–442.

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[EJT883-23] 1 2 Korn, D.; Weyer, D. (2023). "The ammonoids from the Gattendorfia Limestone of Gattendorf (Devonian–Carboniferous boundary; Upper Franconia, Germany)". European Journal of Taxonomy (883): 1–61. doi:10.5852/ejt.2023.883.2179. S2CID 260023186.

[24] Shigeta, Y.; Sakai, T.; Fujita, H. (2023). "A New Species of Tanabeceras (Ammonoidea, Tetragonitidae) from the Middle Cenomanian (Upper Cretaceous) of Hokkaido, Japan". Paleontological Research. 28 (3): 279–290. doi:10.2517/PR230015. S2CID 266315468.

[25] Shigeta, Y. (2023). "An Investigation of Two Small-Sized Taxa Assigned to the Genus Tetragonites (Ammonoidea, Tetragonitidae) from the Upper Cretaceous (Turonian to Campanian) of Hokkaido, Northern Japan". Paleontological Research. 28 (3): 195–221. doi:10.2517/PR230001. S2CID 260404597.

[26] Ritterbush, K. A.; Hebdon, N. (2023). "Hydrodynamic trade-offs in potential swimming efficiency of planispiral ammonoids". Paleobiology. 49 (1): 131–152. Bibcode:2023Pbio...49..131R. doi:10.1017/pab.2022.13. S2CID 255676619.

[27] De Blasio, F. V. (2023). "The Hydrodynamics of Ammonoid Swimming: Equations of Motion and Rocking Resonances". Fossils. 1 (1): 34–46. doi:10.3390/fossils1010004.

[28] Vidaković, F.; Šamarija, R.; Sremac, J.; Japundžić, D. (2023). "Sidelined seashells: reappraisal of the Middle Triassic ammonoids of Samobor and Žumberak Mts. (north-western Croatia) and their systematics and biostratigraphic implications". Rivista Italiana di Paleontologia e Stratigrafia. 129 (3): 477–550. doi:10.54103/2039-4942/19942. S2CID 261651487.

[29] Jantschke, H.; Schweigert, G. (2023). "The ammonite assemblage of the planula Biohorizon (Early Kimmeridgian, Planula Zone) in the Upper Jurassic of SW Germany". Palaeodiversity. 16 (1): 151–187. doi:10.18476/pale.v16.a8. S2CID 260949980.

[30] Frau, C. (2023). "The systematic affinities between the Lower Cretaceous Ammonoidea Protacanthoplites abichi (Anthula, 1900) and Acanthohoplites aschiltaensis (Anthula, 1900)". European Journal of Taxonomy (888): 137–158. doi:10.5852/ejt.2023.888.2237. S2CID 260962867.

[31] Jattiot, R.; Lehmann, J.; Kruta, I.; Rouget, I. (2023). "Mature modifications and sexual dimorphism in Turrilitidae (heteromorph ammonites): contribution of remarkable Mariella bergeri specimens (upper Albian, southeastern France)". Cretaceous Research. 151. 105651. Bibcode:2023CrRes.15105651J. doi:10.1016/j.cretres.2023.105651. S2CID 259510135.

[32] Košťák, M.; Wiese, F.; Kozlová, Z.; Culka, A.; Mazuch, M.; Souček, M. (2023). "In situ-preservation of jaws in the upper Turonian acanthoceratid ammonite Prionocyclus germari (Reuss, 1845): palaeobiological and taphonomic aspects". Cretaceous Research. 154. 105683. doi:10.1016/j.cretres.2023.105683. S2CID 261503791.

[33] Mazuch, M.; Košťák, M.; Mikuláš, R.; Culka, A.; Kohout, O.; Jagt, J. W. M. (2023). "Bite traces of a large, mosasaur-type(?) vertebrate predator in the lower Turonian ammonite Mammites nodosoides (Schlüter, 1871) from the Czech Republic". Cretaceous Research. 153. 105714. doi:10.1016/j.cretres.2023.105714. S2CID 262226843.

[34] Misaki, Y.; Okamoto, T.; Maeda, H. (2023). "Evolutionary process of extremely twisted heteromorph ammonites from the Upper Cretaceous of Japan". Papers in Palaeontology. 9 (5). e1525. Bibcode:2023PPal....9E1525M. doi:10.1002/spp2.1525. S2CID 263013093.

[35] Shigeta, Y.; Maeda, H. (2023). "Late Maastrichtian (latest Cretaceous) Ammonoids from the Naiba Area, Southern Sakhalin, Russian Far East". Paleontological Research. 27 (3): 277–309. doi:10.2517/PR210021. S2CID 255441182.

[36] Jain, S.; Salamon, M. A.; Schweigert, G.; Paszcza, K. (2023). "Ammonite-calibrated nautiloid occurrences from the Callovian-Oxfordian (Middle-Upper Jurassic) deposits of southern Poland". Historical Biology: An International Journal of Paleobiology: 1–33. doi:10.1080/08912963.2023.2220006. S2CID 259685393.

[37] Weis, R.; Schweigert, G.; Wittische, J. (2023). "A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany". Swiss Journal of Palaeontology. 142 (1). 24. Bibcode:2023SwJP..142...24W. doi:10.1186/s13358-023-00290-6.

[38] Martinez, A. (2023). "Description des conchorhynches des Nautiles (Mollusca, Cephalopoda) du début de l'Éocène des Corbières (Aude - Sud de la France)". Cossmanniana. 24: 163–173.

[39] Cichowolski, M.; Vaccari, N. E.; Pohle, A.; Morón Alfonso, D. A.; Vaucher, R.; Waisfeld, B. G. (2023). "Early Tremadocian cephalopods from Santa Rosita Formation in NW Argentina: the oldest record for South America". Acta Palaeontologica Polonica. 68 (4): 583–601. doi:10.4202/app.01103.2023.

[40] Greenfield, T. (2023). "Endoceras novamagnum nom. nov., a replacement name for Endoceras magnum Stumbur, 1956 (Cephalopoda, Endocerida)". Munis Entomology & Zoology. 18 (2): 1790.

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[EJT885-42] 1 2 3 4 5 6 7 8 9 10 Korn, D.; Klug, C. (2023). "Early Carboniferous coiled nautiloids from the Anti-Atlas (Morocco)". European Journal of Taxonomy (885): 156–194. doi:10.5852/ejt.2023.885.2199. S2CID 260603064.

[Foveroceras-43] 1 2 3 Leonova, T. B.; Shchedukhin, A. Yu. (2023). "New Nautilida from the Shakhtau Asselian-Sakmarian reef complex (Bashkortostan)". Paleontological Journal. 57 (4): 380–391. Bibcode:2023PalJ...57..380L. doi:10.1134/S003103012304007X. S2CID 261103829.

[44] Schweigert, G. (2023). "First record of Germanonautilus Spath, 1927 (Cephalopoda: Nautiloidea) from the Lower Jurassic (Pliensbachian) of SW Germany and its implications for the phylogeny of post-Triassic nautilids". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 308 (1): 79–89. doi:10.1127/njgpa/2023/1131. S2CID 258600067.

[45] Mironenko, A. A. (2023). "Linteroceras nom. nov. – a New Replacement Name for the Genus Linter Shimansky, 1968 (Nautiloidea; Carboniferous)". Paleontological Journal. 57 (5): 597. Bibcode:2023PalJ...57..597M. doi:10.1134/S0031030123050064. S2CID 262549529.

[46] Branger, P. (2023). "Micronautilus n. gen., a new dwarf Bathonian (Middle Jurassic) nautilid from Western France". Comptes Rendus Palevol. 22 (22): 479–490. doi:10.5852/cr-palevol2023v22a22. S2CID 259654568.

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[48] Shchedukhin, A. Yu. (2023). "New data on the genus Shikhanonautilus (Liroceratidae, Nautilida) from the Early Permian Shakhtau reef". Paleontological Journal. 57 (5): 500–506. Bibcode:2023PalJ...57..500S. doi:10.1134/S0031030123050088. S2CID 262547131.

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[50] Aubrechtová, M.; Turek, V.; Manda, Š. (2023). "The tarphyceratid cephalopod Trocholites in the Middle–Upper Ordovician of the Prague Basin —the Baltican element in peri-Gondwana". Acta Palaeontologica Polonica. 68 (3): 529–538. doi:10.4202/app.01088.2023. S2CID 264388670.

[51] Rowe, A. J.; Kruta, I.; Villier, L.; Rouget, I. (2023). "A new vampyromorph species from the Middle Jurassic La Voulte-sur-Rhône Lagerstätte". Papers in Palaeontology. 9 (3). e1511. doi:10.1002/spp2.1511. S2CID 259253109.

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[54] Wang, T.; Hoffmann, R.; He, S.; Zhang, Q.; Li, G.; Randrianaly, H. N.; Xie, J.; Yue, Y.; Ding, L. (2023). "Early Cretaceous climate for the southern Tethyan Ocean: Insights from the geochemical and paleoecological analyses of extinct cephalopods". Global and Planetary Change. 229. 104220. Bibcode:2023GPC...22904220W. doi:10.1016/j.gloplacha.2023.104220. S2CID 261488311.

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[56] Wilmsen, M. (2023). "On the systematic position and phylogenetic significance of Anglonautilus sinuatoplicatus (Geinitz, 1843) from the Coniacian (Upper Cretaceous) of Central Europe". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 308 (3): 237–245. doi:10.1127/njgpa/2023/1139. S2CID 259547087.

[57] Tajika, A.; Landman, N. H.; Cochran, J. K.; Nishida, K.; Shirai, K.; Ishimura, T.; Murakami-Sugihara, N.; Sato, K. (2023). "Ammonoid extinction versus nautiloid survival: Is metabolism responsible?". Geology. 51 (7): 621–625. Bibcode:2023Geo....51..621T. doi:10.1130/G51116.1.

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[59] Klug, C.; Stevens, K.; Hoffmann, R.; Zatoń, M.; Clements, T.; Košťák, M.; Weis, R.; De Baets, K.; Lehmann, J.; Vinther, J.; Fuchs, D. (2023). "Revisiting the identification of Syllipsimopodi bideni and timing of the decabrachian-octobrachian divergence". Nature Communications. 14 (1). 8094. Bibcode:2023NatCo..14.8094K. doi:10.1038/s41467-023-42842-x. PMC 10703834. PMID 38062003.

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[Gardenapecten-65] 1 2 3 4 5 6 7 8 9 10 11 Prinoth, H.; Posenato, R. (2023). "Bivalves from the Changhsingian (upper Permian) Bellerophon Formation of the Dolomites (Italy): ancestors of Lower Triassic post-extinction benthic communities". Papers in Palaeontology. 9 (2). e1486. Bibcode:2023PPal....9E1486P. doi:10.1002/spp2.1486. S2CID 258313317.

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[Parvitrigonia-69] 1 2 Halligan, W. K. (2023). "Washington State (USA) trigoniids (Bivalvia) from the conglomerate of Patterson Lake (Early Cretaceous)". PaleoBios. 40 (8): 1–15. doi:10.5070/P940856601. S2CID 259687590.

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[98] Forli, M.; Cresti, M.; Pagli, A. (2023). "Short note on the genus Aspella Mörch, 1877 (Gastropoda: Muricidae) in the Tuscan Pliocene with description of Aspella tusciae n. sp". Bollettino Malacologico. 59 (1): 106–112. doi:10.53559/BollMalacol.2022.23. S2CID 257970378.

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[117] Powell, C. L.; Dineen, A. A. (2023). "A new fossil Euspira? (Mollusca: Gastropoda: Naticidae) from the Gubik Formation on the North Slope of Arctic Alaska". PaleoBios. 40 (15): 1–28. doi:10.5070/P9401557134. S2CID 265207403.

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