Huerfano XI (Eocene of the United States)

Also known as Huerfano VIIIa

Where: Huerfano County, Colorado (37.8° N, 105.1° W: paleocoordinates 42.2° N, 89.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Huerfano Formation, Lysitean (55.8 - 50.3 Ma)

• said to be Lysitean

Environment/lithology: terrestrial

Primary reference: P. Robinson. 1966. Fossil Mammalia of the Huerfano Formation, Eocene, of Colorado. Peabody Museum of Natural History Bulletin 21:1-95 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15654: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pangeoemydidae
Echmatemys ? stevensoniana2 Leidy 1870 turtle
UCM loc. 78174
Mammalia
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Primates - Microsyopidae
Microsyops latidens1 Cope 1882 primate
 Condylarthra - Hyopsodontidae
Hyopsodus wortmani Osborn 1902 condylarth
OK according to Redline 1997
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere