Also known as UW V-58006

Where: Sweetwater County, Wyoming (42.1° N, 109.1° W: paleocoordinates 46.6° N, 93.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cathedral Bluffs Tongue Member (Wasatch Formation), Wasatchian to Wasatchian (55.8 - 46.2 Ma)

• said to be Wasatchian to Bridgerian

•"approximately 30 m below the top of the Cathedral Bluffs Tongue"

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; gray, green, silty mudstone

Size class: macrofossils

Preservation: adpression, trace

Collected by P. O. McGrew; reposited in the UW

Collection methods: quarrying

• discovered by F. Simnacher in 1970; specimens in the University of Wyoming collection

Primary reference: J. R. Foster. 2001. Salamander tracks (Ambystomichnus?) from the Cathedral Bluffs Tongue of the Wasatch Formation (Eocene), northeastern Green River Basin, Wyoming. Journal of Paleontology 75(4):901-904 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 16134: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)