Amminadav Formation
Stratigraphic range: Late Cretaceous (Cenomanian)
TypeGeological formation
OverliesBet-Meir Formation
Location
Country Palestine[1]

The Amminadav Formation is a Mesozoic geologic formation in the West Bank (Palestine). Pterosaur fossils have been recovered from the formation, in addition to several ray-finned fish and early snakes, most of which are known from the Ein Yabrud quarries.[1][2] The formation overlies the just slightly older Bet-Meir Formation, and it is uncertain whether most of the paleobiota belong to one formation or the other.

Paleobiota

The majority of species here cannot be confidently assigned the Amminadav Formation, and some may instead belong to the older Bet-Meir formation.[2][3]

Fish

Genus Species Presence Notes Images
Aipichthyoides A. galeatus

A. formosus

An aipichthyoidid acanthomorph
Dercetoides D. venator A dercetid aulopiform
Hastichthys H. gracilis A dercetid aulopiform
Enchodus E. brevis An enchodontid aulopiform
Judeichthys J. haasi A gonorynchid
Judeoberyx J. princeps A trachichthyoid trachichthyform
Pachyamia P. latimaxillaris An amiid
Parenchodus P. longipterygius An enchodontid aulopiform
Pharmacichthys P. judensis A pharmachichthyid acanthomorph
Ramallichthys R. orientalis A gonorynchid
Rhombichthys R. intoccabilis A paraclupeid clupeomorph
Saurorhamphus S. judeaensis A eurylophid aulopiform
Scalacurvichthys S. naishi A pycnodontid
Serrilepis S. longidens A halecid aulopiform
Yabrudichthys Y. striatus An enchodontoid aulopiform

Reptiles

Turtles

Genus Species Presence Notes Images
Algorachelus A. parvus A bothremyid side-necked turtle
Pelomedusidae indet. An indeterminate pelomedusid side-necked turtle

Squamates

Genus Species Presence Notes Images
Haasiasaurus H. gittelmani An early mosasaur
Haasiophis H. terrasanctus A simoliophiid snake, notable for its hindlimbs
Mesoleptos M. zendrinii[4] A basal mosasauroid
Pachyrhachis P. problematicus A simoliophiid snake, notable for its hindlimbs

Pterosaurs

Genus Species Presence Notes Images
Pterosauria indet. An indeterminate pterosaur

See also

References

  1. 1 2 "Amminadav, West Bank, Palestine". mindat.org.
  2. 1 2 "Bet Meir or Amminadav, West Bank, Palestine". mindat.org.
  3. Bouziane Khalloufi, René Zaragüeta-Bagils & Hervé Lelièvre (2010). "Rhombichthys intoccabilis, gen. et sp. nov. (Ellimmichthyiformes, Clupeomorpha, Teleostei), from the Cenomanian (Upper Cretaceous) of Ein Yabrud, Middle East: anatomial descriptions and phylogenetic implications". Journal of Vertebrate Paleontology. 30 (1): 57–67. Bibcode:2010JVPal..30...57K. doi:10.1080/02724630903409089. S2CID 86625975.
  4. Cabezuelo-Hernández, Alberto; Pérez-García, Adán (2023). "A New Species of the Pythonomorph Carentonosaurus from the Cenomanian of Algora (Guadalajara, Central Spain)". Animals. 13 (7): 1197. doi:10.3390/ani13071197. ISSN 2076-2615. PMC 10093179. PMID 37048453.
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