Where: Weston County, Wyoming (44.0° N, 104.5° W: paleocoordinates 43.6° N, 64.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Mowry Shale Formation, Cenomanian (100.5 - 93.9 Ma)

Environment/lithology: marine; bentonitic shale

Size class: macrofossils

Collected by Paul O. McGrew; reposited in the UW

Primary reference: A. S. Romer. 1968. An ichthyosaur skull from the Cretaceous of Wyoming. Contributions to Geology, University of Wyoming 7(1):27-41 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100236: authorized by Matthew Carrano, entered by Hallie Street on 02.12.2010

Creative Commons license: CC BY (attribution)