Where: Idaho (42.2° N, 111.2° W: paleocoordinates 11.5° N, 35.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Horizon H4; Yvesgalleticeras montpelierense bed of Jenks et al. (2013)

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified, nodular shale

Size class: macrofossils

Collected by Jim Jenks

Primary reference: J. Jenks, J. Guex, A. Hungerbühler, D. G. Taylor, and H. Bucher. 2013. Ammonoid biostratigraphy of the early Spathian Columbites parisianus zone (Early Triassic) at Bear Lake Hot Springs, Idaho. The Triassic System. New Mexico Museum of Natural History and Science Bulletin 61:268-283 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109401: authorized by Matthew Clapham, entered by Matthew Clapham on 15.05.2011

Creative Commons license: CC BY (attribution)