Winecup Ranch (NMMNH P-77117) (Triassic of the United States)

Where: Elko County, Nevada (41.4° N, 114.7° W: paleocoordinates 12.1° N, 38.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Thaynes Group, Smithian (251.3 - 247.2 Ma)

• P-77117 was found at the most prolific ammonoid locality together with Pseudaspidites, Procurvoceratites, proptychitid indet., and prionitid indet., which, combined with I. oweni, indicate a late early Smithian to early late Smithian age.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• Organic-rich, unbioturbated, alternating thin-bedded limestone and shale

Size class: macrofossils

Reposited in the NMMNH

Primary reference: C. Romano, J. F. Jenks, R. Jattiot, T. M. Scheyer, K. G. Bylund and H. Bucher. 2017. Marine Early Triassic Actinopterygii from Elko County (Nevada, USA): implications for the Smithian equatorial vertebrate eclipse. Journal of Paleontology 91:1025-1046 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188753: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Palaeonisciformes - Birgeriidae
Birgeria sp. Stensiƶ 1919
NMMNH P-77117