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Bridwell Formation, Crosby County, Texas, USA

Mindat.org Locality Page	Crosby County, Texas, USA
Lat/Long (Decimal)	33.7,-101.5
Co-ordinates Derivation	based on political unit
Given Location	Texas, United States
Mindat.org Region (for given coordinates)	Crosby County, Texas, USA

Collections

Collection	Reference	Stratigraphic Name	Comments	Lithology	Age
Bridwell Formation	Winkler D. A. (1990)				10.3 - 4.9 Ma Neogene
Couch Formation (Upper Member)	Winkler D. A. (1990)				13.6 - 10.3 Ma Miocene

Recorded Fossils

Accepted Name	Hierarchy	Age
Texoceros sp. genus	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : *Texoceros*	10.3 - 4.9 Ma Neogene
Alforjas taylori species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Alforjas : *Alforjas taylori*	10.3 - 4.9 Ma Neogene
Hemiauchenia sp. genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Hemiauchenia*	10.3 - 4.9 Ma Neogene
Megatylopus matthewi species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Megatylopus : *Megatylopus matthewi*	10.3 - 4.9 Ma Neogene
Pleiolama vera species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Pleiolama : *Pleiolama vera*	10.3 - 4.9 Ma Neogene
Procamelus grandis species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Procamelus : *Procamelus grandis*	13.6 - 10.3 Ma Miocene
Protolabis coartatus species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Protolabis : *Procamelus coartatus*	13.6 - 10.3 Ma Miocene
Ustatochoerus medius novomexicanus subspecies	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : *Ustatochoerus medius novomexicanus*	13.6 - 10.3 Ma Miocene
Tayassuinae subfamily	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Tayassuinae	10.3 - 4.9 Ma Neogene
Borophagus sp. genus	Animalia : Chordata : Mammalia : Carnivora : Canidae : *Borophagus*	10.3 - 4.9 Ma Neogene
Amphimachairodus coloradensis species	Animalia : Chordata : Mammalia : Carnivora : Felidae : Amphimachairodus : *Machairodus coloradensis*	10.3 - 4.9 Ma Neogene
Archaeolaginae subfamily	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolaginae	10.3 - 4.9 Ma Neogene
Hypolagus fontinalis species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : *Hypolagus fontinalis*	13.6 - 10.3 Ma Miocene
Astrohippus ansae species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Astrohippus : *Astrohippus ansae*	10.3 - 4.9 Ma Neogene
Dinohippus sp. genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Dinohippus*	13.6 - 10.3 Ma Miocene
Dinohippus interpolatus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : *Dinohippus interpolatus*	10.3 - 4.9 Ma Neogene
Hippotherium sp. genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Hippotherium*	10.3 - 4.9 Ma Neogene
Nannippus aztecus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Nannippus : *Nannippus aztecus*	10.3 - 4.9 Ma Neogene
Neohipparion eurystyle species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : *Equus eurystylus*	10.3 - 4.9 Ma Neogene
Pliohippus pernix species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : *Pliohippus pernix*	13.6 - 10.3 Ma Miocene
Pseudhipparion hessei species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pseudhipparion : *Pseudhipparion hessei*	13.6 - 10.3 Ma Miocene
Aphelops sp. genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Aphelops*	10.3 - 4.9 Ma Neogene
Rhinocerotidae family	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae	13.6 - 10.3 Ma Miocene
Gomphotheriidae family	Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae	10.3 - 4.9 Ma Neogene
Rodentia order	Animalia : Chordata : Mammalia : Rodentia	10.3 - 4.9 Ma Neogene

References

Winkler D. A. (1990) Sedimentary Facies and Biochronology of the Upper Tertiary Ogallala Group, Blanco and Yellow House Canyons, Texas Panhandle, Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains, 39-55

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

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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