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

Where: Nevada (40.5° N, 118.2° W: paleocoordinates 9.9° 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

Reposited in the UCMP

Primary reference: P. Davidson. 1919. A cestraciont spine from the Middle Triassic of Nevada. University of California Publications, Bulletin of the Department of Geology 11(4):433-435 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136685: authorized by Matthew Clapham, entered by Matthew Clapham on 02.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ctenacanthiformes -
"Cosmacanthus humboldtensis n. sp." = Pyknotylacanthus humboldtensis
"Cosmacanthus humboldtensis n. sp." = Pyknotylacanthus humboldtensis Davidson 1919 elasmobranch