Where: Shasta County, California (40.4° N, 122.6° W: paleocoordinates 13.2° N, 54.0° W)

• coordinate estimated from map

When: Hosselkus Formation, Triassic (251.9 - 201.4 Ma)

• Trachyceras Beds of the Hosselkus Limestone

Environment/lithology: marine; limestone

Size class: macrofossils

Collected by Z. Luo

• ChM VP (Charleston Museum Vertebrate Fossil Collection)

Primary reference: J. C. Merriam. 1908. Triassic Ichthyosauria. Memoirs of the University of California 1(1):1-155 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 149577: authorized by Mark Uhen, entered by Joseph Villari on 11.08.2013

Creative Commons license: CC BY (attribution)