CAS 33378 (Jurassic of the United States)

Where: Alaska (60.1° N, 152.6° W: paleocoordinates 31.7° N, 86.2° W)

• coordinate based on nearby landmark

When: Callovian (166.1 - 163.5 Ma)

• Probably Callovian beds below the Naknek Formation

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the CAS

Primary reference: T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139742: authorized by George Stanley, entered by Hannah Shepherd on 16.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Myophorelloidae
Myophorella devexa Eichwald 1871 clam