FMNH FM-8-57-WDT Protoptychus locality (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.3° N, 108.5° W: paleocoordinates 44.0° N, 97.2° W)

• coordinate estimated from map

When: Ui1b mammal zone, Adobe Town Member (Washakie Formation), Uintan (46.2 - 39.7 Ma)

• middle Adobe Town member; approximately Roehler’s (1973) bed 633

Environment/lithology: fluvial; lithology not reported

Size class: macrofossils

Reposited in the FMNH

Primary reference: S. Tomiya, S. P. Zack, M. Spaulding and J. J. Flynn. 2021. Carnivorous mammals from the middle Eocene Washakie Formation, Wyoming, USA, and their diversity trajectory in a post-warming world. Journal of Paleontology Memoir 95(82):1-115 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 223472: authorized by Patricia Holroyd, entered by Patricia Holroyd on 11.11.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

• petrified wood noted in Tomiya et al. 2021
Mammalia
 Perissodactyla - Amynodontidae
Amynodon advenus Marsh 1875 odd-toed ungulate
 Ferae - Viverravidae
Viverravus sp. Marsh 1872 placental