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Clarendon Beds, Donley County, Texas, USA

Formation	Clarendon Beds
Age:	13.6 - 10.3 Ma Miocene
Interval	Clarendonian
Lithology	claystone/sandstone
Number of Collections	1
Number of Occurrences	10

Recorded Sample Locations

Location	Region	Stratigraphic Name
Charley Risley Ranch	Donley County, Texas, USA	Clarendon Beds

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Camelidae family	5	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae	13.6 - 10.3 Ma Miocene
Synthetoceras tricornatus species	7	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Synthetoceras : *Synthetoceras tricornatus*	13.6 - 10.3 Ma Miocene
Calippus martini species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Calippus : *Calippus martini*	13.6 - 10.3 Ma Miocene
Calippus placidus species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Calippus : *Calippus placidus*	13.6 - 10.3 Ma Miocene
Calippus regulus species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Calippus : *Calippus regulus*	13.6 - 10.3 Ma Miocene
Pliohippus fossulatus species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : *Pliohippus fossulatus*	13.6 - 10.3 Ma Miocene
Pliohippus pernix species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : *Pliohippus pernix*	13.6 - 10.3 Ma Miocene
Protohippus supremus species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : *Protohippus supremus*	13.6 - 10.3 Ma Miocene
Pseudhipparion hessei species	7	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pseudhipparion : *Pseudhipparion hessei*	13.6 - 10.3 Ma Miocene
Teleoceras major species	7	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras : *Teleoceras major*	13.6 - 10.3 Ma Miocene

References

Patton T. H., Taylor B. E. (1971) The Synthetoceratinae (Mammalia, Tylopoda, Protoceratidae), Bulletin of the American Museum of Natural History 145 2, 119-218

Webb S. D., Hulbert, Jr. R. C. (1986) Systematics and evolution of Pseudhipparion (Mammalia, Equidae) from the late Neogene of the Gulf Coastal Plain and the Great Plains, Contributions to Geology, the University of Wyoming, Special Paper 3, 237-272

Hulbert, Jr. R. C. (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

Hulbert, Jr. R. C. (1989) Phylogenetic Interrelationships and Evolution of North American Late Equidae, The Evolution of Perissodactyls

Schultz G. E. (1990) Stop 14: The Clarendonian faunas of the Texas and Oklahoma panhandles, Tertiary and Quaternary stratigraphy and vertebrate paleontology of parts of northwestern Texas and eastern New Mexico; Guidebook - Bureau of Economic Geology, University of Texas at Austin, 83-93

Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals

Prothero D. R. (2005) The Evolution of North American Rhinoceroses, 1-218

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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