USGS 3781-CO (Cambrian of the United States)

Also known as 1-51-T3

Where: Esmeralda County, Nevada (37.8° N, 117.8° W: paleocoordinates 6.0° S, 97.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Harkless Formation, Early/Lower Cambrian (538.8 - 509.0 Ma)

Environment/lithology: marine; gray, green, sandy siltstone and massive 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 204007: authorized by Jonathan Marcot, entered by Jonathan Marcot on 29.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Redlichiida - Olenellidae
"Paedeumias nevadensis" = Olenellus nevadensis
"Paedeumias nevadensis" = Olenellus nevadensis Walcott 1910 trilobite
 Ptychopariida -
Ptychoparioidea indet. Matthew 1887 trilobite
"Undet. ptychoparioid"