DMNH 2550 (Paleocene of the United States)

Where: El Paso County, Colorado (38.9° N, 104.6° W: paleocoordinates 45.0° N, 82.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Denver Formation, Puercan (66.0 - 63.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the DMNH

Primary reference: J. H. Hutchison and P. A. Holroyd. 2003. Late Cretaceous and early Paleocene turtles of the Denver Basin, Colorado. Rocky Mountain Geology 38(1):121-142 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176747: authorized by Patricia Holroyd, entered by Patricia Holroyd on 28.02.2016, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata -
Compsemys victa Leidy 1856 turtle
 Testudines - Trionychidae
Trionychidae indet. softshell turtle
 Testudines - Kinosternoidea
Hoplochelys crassa Cope 1888 mud turtle
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere