Muddy Creek ( of the United States)

Where: Laramie County, Wyoming (41.2° N, 104.1° W: paleocoordinates 42.1° N, 98.4° W)

• coordinate based on nearby landmark

When: Upper Harrison Formation, Arikareean (30.8 - 20.4 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collection methods: Deposited in Amherst College

Primary reference: F. B. Loomis. 1909. Turtles from the upper Harrison beds. American Journal of Science 63:17-26 [E. Vlachos/E. Vlachos]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191902: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 20.02.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantestudinidae
"Testudo undabuna n. sp." = Oligopherus laticuneus, "Testudo brevisterna n. sp." = Gopherus brevisternus
"Testudo undabuna n. sp." = Oligopherus laticuneus Cope 1873 turtle
ACM 2007 (holotype), a carapace (Loomis 1909, fig. 9)
"Testudo brevisterna n. sp." = Gopherus brevisternus Loomis 1909 gopher tortoise
ACM 2006 (holotype), a skull, shell, and associated appendicular elements (Loomis 1909, figs. 5–8)