USGS 3555-CO (Cambrian of the United States)

Also known as 1-32-19

Where: Esmeralda County, Nevada (37.9° N, 117.9° W: paleocoordinates 1.7° S, 89.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Emigrant Formation, Trempealeauan (492.5 - 485.4 Ma)

Environment/lithology: marine; fine-grained, gray, green shale and gray limestone

Size class: mesofossils

Primary reference: P. T. Robinson, J. H. Stewart, R. J. Moiola and J. P. Albers. 1976. Geologic map of the Rhyolite Ridge quadrangle, Esmeralda County, Nevada. [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 204002: authorized by Jonathan Marcot, entered by Jonathan Marcot on 29.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Ptychaspididae
Euptychaspis sp. Ulrich 1931 trilobite
 Asaphida - Eurekiidae
? Eurekia sp. Walcott 1924 trilobite