Sage Creek tracksite (Popo Agie) (Triassic to of the United States)

Where: Fremont County, Wyoming (43.0° N, 108.8° W: paleocoordinates 19.2° N, 46.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bell Springs Formation, Norian to Norian (228.0 - 201.3 Ma)

• described as from "near the top of the Popo Agie beds (80 feet above the 'bone horizon'), Chugwater Formation"; described as Apachean = latest Triassic

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; calcareous sandstone

• "an irregular sandstone member"; "an extremely fine grained, slightly calcareous sandstone"

Size class: macrofossils

Preservation: trace

Collected by E. Branson & M. Mehl

Collection methods: quarrying, ,

Primary reference: E. B. Branson and M. G. Mehl. 1932. Footprint records from Cretaceous, Triassic, and Pennsylvanian. Bulletin of the Geological Society of America 42:284-285 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46555: authorized by Matthew Carrano, entered by Matthew Carrano on 19.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Grallatoridae
Agialopous wyomingensis n. gen. n. sp.
Agialopous wyomingensis n. gen. n. sp. Branson and Mehl 1932 theropod