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Alachua Formation 
Summary
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.
| 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) | |
Fossil content edit
The formation has provided the following fossils.[1]
Mammals edit
- 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 edit
- 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 edit
- 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 edit
- Anurans
- Bufo praevius
- Hyla goini
- Proacris mintoni
- Scaphiopus (Scaphiopus) holbrooki
- Microhyla sp.
- Rana sp.
- Salamanders
Fish edit
- Sharks
- Rays
- Others
See also edit
References edit
- ^ Alachua Formation at Fossilworks.org
Bibliograyhy edit
- 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