PBDB Collection

Red Mound North of Big Cliff (Eocene of the United States)

Also known as TMM 40492; Porvenir L.F. in part; "Red Hill"

Where: Presidio County, Texas (29.9° N, 104.2° W)

• Paleocoordinates: 36.1° N, 88.5° W (Wright 2013)

• coordinate based on political unit

When: Chambers Tuff Formation, Duchesnean (39.7 - 37.0 Ma)

Environment/lithology: terrestrial

Reposited in the TMM

Primary reference: J. A. Wilson. 1977. Stratigraphic Occurrence and Correlation of Early Tertiary Vertebrate Faunas Trans-Pecos Texas. Part I: Vieja Area. Texas Memorial Museum Bulletin 25:1-42 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 16851: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC0 (CC0)

Taxonomic list

• just below the "lower marker bed"

Show authors, comments, and common names

Mammalia
Rodentia - Cylindrodontidae	Pseudocylindrodon neglectus Pseudocylindrodon neglectus Burke 1935 rodent see Wood 1974
Rodentia - Ischyromyidae	cf. Quadratomus gigans¹, Microparamys perfossus cf. Quadratomus gigans¹ Wood 1974 rodent Microparamys perfossus Wood 1974 rodent see Wood 1974
Rodentia - Eomyidae	"Yoderimys lustrorum" = Litoyoderimys lustrorum, Adjidaumo cf. minutus, Viejadjidaumo magniscopuli n. sp., Aulolithomys bounites "Yoderimys lustrorum" = Litoyoderimys lustrorum Wood 1974 rodent Adjidaumo cf. minutus Cope 1873 rodent see Wood 1974 Viejadjidaumo magniscopuli n. sp. Wood 1974 rodent see Wood 1974; specimen of "cf. Viejadjidaumo sp." also present Aulolithomys bounites Black 1965 rodent see Wood 1974
Artiodactyla - Agriochoeridae	Agriochoerus antiquus Agriochoerus antiquus Leidy 1850 agriochoerid not described by Wilson 1974
Artiodactyla - Leptomerycidae	"Leptomeryx defordi" = Hendryomeryx defordi "Leptomeryx defordi" = Hendryomeryx defordi Wilson 1974 ruminant
Perissodactyla - Tapiridae	Colodon stovalli⁴ Colodon stovalli⁴ Wilson and Schiebout 1984 tapir
Perissodactyla - Hyracodontidae	Hyracodon medius⁴ Hyracodon medius⁴ Peterson 1934 odd-toed ungulate
Perissodactyla - Equidae	Mesohippus texanus Mesohippus texanus McGrew 1971 anchitheriine horse see McGrew 1971
Soricomorpha - Apternodontidae	Apternodus iliffensis² Apternodus iliffensis² Galbreath 1953 placental see also Novacek 1976
Soricomorpha - Geolabididae	Centetodon chadronensis³ Centetodon chadronensis³ Lillegraven et al. 1981 placental

¹Alroy 2002; ²Asher et al. 2002; ³Lillegraven et al. 1981; ⁴Wilson and Schiebout 1984