North side of Taylor Peak, 4 miles south of Ashcraft (Cambrian of the United States)

Where: Colorado (39.0° N, 106.8° W: paleocoordinates 10.3° S, 88.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sawatch Formation, Franconian (501.0 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: J. B. Knight. 1948. Further new Cambrian bellerophont gastropods. Smithsonian Miscellaneous Collections 111(3):1-6 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56818: authorized by Pete Wagner, entered by Pete Wagner on 26.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bellerophontida - Tropidodiscidae
Strepsodiscus major n. gen. n. sp.
Strepsodiscus major n. gen. n. sp. Knight 1948 snail