Cottonwood Canyon, west Humboldt Range (Triassic to of the United States)

Where: Nevada (40.4° N, 118.1° W: paleocoordinates 9.8° N, 42.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Star Peak Group, Anisian to Anisian (247.2 - 237.0 Ma)

• Upper part of Middle Triassic, Star Peak series

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected in 1902; reposited in the UCMP

Primary reference: E. M. Wemple. 1906. New Cestraciont teeth from the west-American Triassic. University of California Publications, Bulletin of the Department of Geology 5(4):71-73 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136681: authorized by Matthew Clapham, entered by Matthew Clapham on 02.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus nevadensis n. sp. Wemple 1906 elasmobranch
 Hybodontiformes - Acrodontidae
Acrodus oreodontus n. sp. Wemple 1906 elasmobranch