Site near Contact, Elko County (Permian to of the United States)

Where: Nevada (41.7° N, 114.7° W: paleocoordinates 10.7° N, 36.5° W)

• coordinate estimated from map

When: Asselian to Asselian (298.9 - 290.1 Ma)

• "Wolfcamp"

Environment/lithology: marine; lithified, brown, red quartzite

• The specimen is the only fossil found in a conspicuous unit of reddish brown weathering quartzite which forms the east peak of China Mt.

Size class: macrofossils

Preservation: mold/impression

Primary reference: E. R. Larson and J. B. Scott. 1955. Helicoprion from Elko County, Nevada. Journal of Paleontology 29(5):918-919 [M. Clapham/P. Vazquez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130653: authorized by Matthew Clapham, entered by Priscilla Vazquez on 12.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes - Helicoprionidae
Helicoprion sp. Karpinsky 1899 chimaera