Arroyo Blanco (Cope) (Eocene of the United States)

Where: Rio Arriba County, New Mexico (36.5° N, 107.0° W: paleocoordinates 41.2° N, 91.7° W)

• coordinate based on political unit

When: San Jose Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: G. G. Simpson. 1951. Hayden, Cope, and the Eocene of New Mexico. Proceedings of the Academy of Natural Sciences, Philadelphia 103:1-21 [J. Alroy/J. Alroy/M. Carrano]more details

PaleoDB collection 15452: authorized by John Alroy, entered by John Alroy on 05.01.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• original collections recorded in a diary
from "middle to upper Almagre facies and lowermost Largo facies" = about 300 - 550' in composite section of Haskin 1980
Show authors, comments, and common names
Mammalia
 Macroscelidea - Apheliscidae
Apheliscus sp.1
Apheliscus sp.1 Cope 1875 elephant shrew
 Primates - Adapidae
Pelycodus jarrovii1
Pelycodus jarrovii1 Cope 1874 primate
 Acreodi - Mesonychidae
Pachyaena ossifraga n. sp.
Pachyaena ossifraga n. sp. Cope 1874 condylarth
 Tribosphenida - Phenacodontidae
Phenacodus sp.1
Phenacodus sp.1 Cope 1873 condylarth
 Creodonta - Hyaenodontidae
"Prototomus viverrinus n. sp." = Sinopa viverrinus
"Prototomus viverrinus n. sp." = Sinopa viverrinus Cope 1874 creodont
 Creodonta - Oxyaenidae
Oxyaena lupina1
Oxyaena lupina1 Cope 1874 creodont
 Ferae - Viverravidae
Didymictis protenus1
Didymictis protenus1 Cope 1874 placental
 Condylarthra - Hyopsodontidae
Hyopsodus sp.2
Hyopsodus sp.2 Leidy 1870 condylarth
 Cimolesta - Coryphodontidae
Coryphodon armatus1, Coryphodon lobatus n. sp.3
Coryphodon armatus1 Cope 1872 pantodont
Coryphodon lobatus n. sp.3 Cope 1877 pantodont
of Cope from Regina Mbr. at Arroyo Blanco
 Cimolesta - Esthonychidae
Esthonyx bisulcatus1
Esthonyx bisulcatus1 Cope 1874 tillodont
 Taeniodonta - Stylinodontidae
Ectoganus gliriformis n. sp.
Ectoganus gliriformis n. sp. Cope 1874 taeniodont
1Alroy 2002; 2Matthew and Granger 1915; 3Uhen and Gingerich 1995