North slope of Joseph Peak (Jurassic to of the United States)

Where: Wyoming (45.0° N, 110.9° W: paleocoordinates 37.1° N, 50.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sawtooth Formation (Ellis Group), Bajocian to Bajocian (170.3 - 166.1 Ma)

• Most likely Sawtooth formation of the Ellis group. (Ellis formation, "Ataxioceras" zone)

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified shale and lithified limestone

• "alternate layers of soft shale and hard limey beds" according to Crickmay 1936 "Study in the Jurassic of Wyoming"

Size class: macrofossils

Reposited in the GSC

Primary reference: C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164663: authorized by Matthew Clapham, entered by Marko Manojlovic on 09.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Capillirhynchia gallatinensis n. sp.
Capillirhynchia gallatinensis n. sp. Crickmay 1933