| Alachua Formation | |
|---|---|
| Stratigraphic range: Early-Late Miocene (Hemingfordian-Hemphillian) ~ | |
| Type | Formation |
| Lithology | |
| Primary | Claystone, sandstone |
| Other | Phosphorite |
| Location | |
| Coordinates | 29°42′N 82°36′W / 29.7°N 82.6°W |
| Approximate paleocoordinates | 29°48′N 80°54′W / 29.8°N 80.9°W |
| Region | Florida |
| Country |  United States |
| Type section | |
| Named for | Alachua, Florida |
  Alachua Formation (the United States)  Alachua Formation (Florida) | |
The Alachua Formation is a Miocene geologic formation in Florida. The claystones, sandstones and phosphorites of the formation preserve many fossils of mammals, birds, reptiles and fish, among others megalodon.
Fossil content
The formation has provided the following fossils.[1]
Mammals
- Rodents
- Harrymys magnus
- Nototamias hulberti
- Petauristodon pattersoni
- Proheteromys floridanus
- cf. Miospermophilus sp.
- Mylagaulus kinseyi
- cf. Texomys sp.
- Lagomorpha indet.
- Mylagaulidae indet.
- Carnivora
- Amphicyon longiramus
- Borophagus orc
- B. pugnator
- Cynelos caroniavorus
- Enhydritherium terraenovae
- Epicyon haydeni
- E. saevus
- Eucyon davisi
- Euoplocyon spissidens
- Leptarctus ancipidens
- Metatomarctus canavus
- Oligobunis floridanus
- Osbornodon iamonensis
- Phoberocyon johnhenryi
- Zodiolestes freundi
- Borophagus sp.
- Phlaocyon sp.
- Sthenictis sp.
- Felidae indet.
- Mustelinae indet.
- Ground sloths
- Gomphotheres
- Artiodactyls
- Aepycamelus major
- Diabolocornis simonsi
- Floridachoerus olseni
- Floridameryx floridanus
- Floridatragulus dolichanthereus
- Hemiauchenia minima
- Machaeromeryx gilchristensis
- Nothokemas floridanus
- Parablastomeryx floridanus
- Pediomeryx hemphillensis
- Prosynthetoceras texanus
- Synthetoceras australis
- S. cf. tricornatus
- Yumaceras hamiltoni
- Aepycamelus sp.
- Hemiauchenia sp.
- Merycoidodon sp.
- Antilocapridae indet.
- Camelidae indet.
- Ruminantia indet.
- Tayassuidae indet.
- Tayassuinae indet.
- Soricomorpha
- Karstala silva
- Miomyotis floridanus
- Primonatalus prattae
- Suaptenos whitei
- Limnoecus sp.
- Chiroptera indet.
- Perissodactyls
- Anchitherium clarencei
- Aphelops malacorhinus
- A. mutilus
- Archaeohippus blackbergi
- Calippus elachistus
- Calippus hondurensis
- Calippus maccartyi
- Cormohipparion emsliei
- C. ingenuum
- C. plicatile
- Floridaceras whitei
- Menoceras barbouri
- Nannippus aztecus
- N. morgani
- N. westoni
- Neohipparion trampasense
- Parahippus leonensis
- Protohippus gidleyi
- Pseudhipparion skinneri
- Tapirus webbi
- Teleoceras proterum
- Hipparion cf. tehonense
- cf. Astrohippus sp.
- Dinohippus sp.
- Sirenians
- Lipotyphla
- Theriiformes
Birds
- Anhinga grandis
- A. subvolans
- Boreortalis laesslei
- Ereunetes rayi
- Jacana farrandi
- Nycticorax fidens
- Phalacrocorax wetmorei
- Promilio brodkorbi
- P. epileus
- P. floridanus
- Rhegminornis calobates
- Thomasococcyx philohippus
- Anatidae indet.
- Cuculidae indet.
Reptiles
- Turtles
- Floridemys nana
- Hesperotestudo turgida
- Macrochelys auffenbergi
- Pseudemys caelata
- P. carri
- P. williamsi
- Testudo tedwhitei
- Apalone sp.
- Deirochelys sp.
- Pseudemys sp.
- Trachemys sp.
- Crocodiles
- Snakes
- Anilioides minuatus
- Boa constrictor
- Calamagras floridanus
- Ogmophis pauperrimus
- Paraoxybelis floridanus
- Pseudocemophora antiqua
- Pterygoboa sp.
- Lizards
Amphibians
- Anurans
- Bufo praevius
- Hyla goini
- Proacris mintoni
- Scaphiopus (Scaphiopus) holbrooki
- Microhyla sp.
- Rana sp.
- Salamanders
Fish
- Sharks
- Rays
- Others
See also
References
- ↑ Alachua Formation at Fossilworks.org
Bibliograyhy
- C. Pimiento. 2014. Carcharocles megalodon unpublished collections from Natural History Museums around the world
- R. C. Hulbert, Jr. 1988. Calippus and Protohippus (Mammalia, Perissodactyla, Equidae) from the Miocene (Barstovian-early Hemphillian) of the Gulf Coastal Plain. Bulletin of the Florida State Museum, Biological Sciences 32(3):221-340
- S. D. Webb, B. J. MacFadden, and J. A. Baskin. 1981. Geology and paleontology of the Love Bone Bed from the Late Miocene of Florida. American Journal of Science 281:513-544
- S. E. Hirschfeld and S. D. Webb. 1968. Plio-Pleistocene Megalonychid Sloths of North America. Bulletin of the Florida State Museum 12(5)
- S. D. Webb. 1966. A Relict Species of the Burrowing Rodent, Mylagaulus, from the Pliocene of Florida. Journal of Mammalogy 47
- W. Auffenberg. 1963. Fossil testudinine turtles of Florida: genera Geochelone and Floridemys. Bulletin of the Florida State Museum, Biological Sciences 7(2):53-97
- T. E. White. 1942. The Lower Miocene mammal fauna of Florida. Bulletin of the Museum of Comparative Zoology 92(1):1-49
- G. G. Simpson. 1930. Tertiary Land Mammals of Florida. Bulletin of the American Museum of Natural History 59(3):1-64
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