Thomas Farm Site
The Thomas Farm site is an Early Miocene, Hemingfordian assemblage of vertebrate fossils located in Gilchrist County, northern Florida.[1]
The Thomas Farm site is one of the richest terrestrial deposits of Miocene vertebrates in the 18 Ma range found in eastern North America according to the Florida Museum of Natural History.[2] The site was discovered in 1931 by Florida Geological Survey (FGS) staff member Clarence Simpson.[3][4] Specimens include: amphibians, reptiles, birds, small rodents,[5] bats,[6][7] rhinoceroses, three species of three-toed horses,[8][9] several artiodactyls (including camels, peccary, deer-like species and other extinct forms), as well as dogs, bears, and bear-dogs.[10][11][12][13]
Specimens
Reptilia
- Pseudemys sp.
- Testudo (T. tedwhitei)
- Promilio (P. epileus)
- Promilio (P. brodkorbi)
- Proictinia (P. floridana)
- Alligator (A. olseni)
- Paraoxybelis (P. floridanus)
- Pseudocemophora (P. antiqua)
- Anilioides (A. minuatus)
- Pseudoepicrates (P. stanolseni)
- Ogmophis (O. pauperrimus
- Calamagras (C. floridanus)
Birds
Phalacrocoracidae
- Phalacrocorax (P. subvolans)
Columbidae
Mammals
Rhinocerotidae
- Diceratherium (D. barbouri)
- Floridaceras (F. whitei)
Equidae
- Parahippus (P. leonensis)
- Anchitherium (A. clarencei)
Amphicyonidae
Ursidae
- Aelurodon (A. johnhenryi)
- Phoberocyon (johnhenryi)
Mustelidae
- Mephitaxus (M. ancipidens)
- Miomustela
- Zodiolestes (Z. freundi)
- Oligobunis (O. floridanus)
Canidae
- Osbornodon iamonensis
- Euoplocyon (E. spissidens)
- Metatomarctus (M. canavus)
- Aelurocyon (A. spissidens)
- Phlaocyon sp.
Chiroptera
- Chiroptera sp.
- Primonatalus (P. prattae)
- Karstala (K. silva)
- Miomyotis (M. floridanus)
- Svaptenos (S. whitei)
Artiodactyla
- Floridachoerus (F. olseni)
- Machaeromeryx (M. gilchristensis)
- Parablastomeryx (P. floridanus)
- Merycoidodon sp.
- Syndyoceras (S. australis)
- Floridatragulus (F. dolichanthereus)
- Oxydactylus (O. floridanus)
- Nothokemas (N. floridanus)
Soricidae
- Limnoecus sp.
Rodentia
- Cricetidae
- Proheteromys (P. magnus)
- Proheteromys P. floridanus)
- Miospermophilus
- Nototamias (N. hulberti)
- Petauristodon (P. pattersoni)
- Mesogaulus
- Mylagaulidae
Amphibians
- Proacris (P. mintoni)
- Proacris mintoni
References
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- ↑ Florida Museum of Natural History: Thomas Farm site
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