Also known as Costillo Pocket; Castillo Pocket; Eohippus Quarry; Simpson's Quarry

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, Wasatchian (55.8 - 50.3 Ma)

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 15652: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Terri Cleary, Patricia Holroyd and Jonathan Marcot

Creative Commons license: CC BY (attribution)