Couch Formation (Upper Member) (Miocene of the United States)

Where: Crosby and Lubbock County, Texas (33.7° N, 101.5° W: paleocoordinates 34.2° N, 99.0° W)

• coordinate based on political unit

When: Clarendonian (12.5 - 9.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: D. A. Winkler. 1990. Sedimentary Facies and Biochronology of the Upper Tertiary Ogallala Group, Blanco and Yellow House Canyons, Texas Panhandle. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 39-55 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18104: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Perissodactyla - Equidae
Pseudhipparion cf. hessei, Hippotherium sp., Pliohippus cf. pernix, cf. Dinohippus sp.
Pseudhipparion cf. hessei Webb and Hulbert 1986 hipparionine horse
Hippotherium sp. Kaup 1832 hipparionine horse
Pliohippus cf. pernix Marsh 1874 horse
cf. Dinohippus sp. Quinn 1955 horse
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet.
Rhinocerotidae indet. Gray 1821 rhinoceros
 Artiodactyla - Camelidae
Procamelus grandis, Protolabis coartatus
Procamelus grandis Gregory 1939 camel
Protolabis coartatus Stirton 1929 camel
 Artiodactyla - Merycoidodontidae
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus Frick 1929 oreodont
 Lagomorpha - Leporidae
Hypolagus fontinalis
Hypolagus fontinalis Dawson 1958 rabbit
 Proboscidea - Gomphotheriidae
Gomphotheriidae indet.
Gomphotheriidae indet. Hay 1922 gomphothere