Also known as USGS locality M98

Where: Idaho (42.7° N, 111.1° W: paleocoordinates 12.0° N, 34.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Columbites ammonoid zone, Thaynes Formation, Spathian (251.3 - 247.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Reposited in the USNM

Primary reference: B. Kummel. 1969. Ammonoids of the late Scythian (Lower Triassic). Bulletin of the Museum of Comparative Zoology 137:311-702 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 213032: authorized by Alex Dunhill, entered by Bethany Allen on 24.08.2020

Creative Commons license: CC BY (attribution)