Cottonwood Canyon (Triassic of the United States)

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

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Triassic (247.2 - 237.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collected by H. M. Evans in 1904

Primary reference: J. C. Merriam. 1905. A primitive ichthyosaurian limb from the Middle Triassic of Nevada. University of California Publications, Bulletin of the Department of Geological Sciences 4(2):33-38 [M. Carrano/H. Street/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 107398: authorized by Matthew Carrano, entered by Hallie Street on 07.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ichthyosauria - Cymbospondylidae
Cymbospondylus petrinus Leidy 1868 ichthyosaur
referral tentative