North wall of Keyhole Canyon, Sonoma Range (Triassic of the United States)

Where: Nevada (40.3° N, 117.6° W: paleocoordinates 17.1° N, 53.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Norian (228.0 - 208.5 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the USNM

Primary reference: G. A. Cooper. 1983. The Terebratulacea (Brachiopoda) Triassic to Recent: a study of the brachidia (loops). Smithsonian Contributions to Paleobiology 50:1-290 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135551: authorized by Matthew Clapham, entered by Matthew Clapham on 28.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Plectoconchidae