Huerfano IX (Eocene of the United States)

Also known as Archuleta Draw

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; lithology not reported

Size classes: macrofossils, mesofossils

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

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15653: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Tribosphenida - Phenacodontidae
Phenacodus vortmani Cope 1880 condylarth
 Placentalia -
Perissodactyla indet. Owen 1848 odd-toed ungulate
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
"Hyracotherium vasacciense vasacciense":