USGS Mesozoic loc. 11057 (Jurassic of the United States)

Where: Alaska (59.7° N, 153.4° W: paleocoordinates 31.6° N, 86.8° W)

• coordinate based on nearby landmark

When: Tuxedni Group, Callovian (166.1 - 163.5 Ma)

• Probably Callovian

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Collected by A.A. Baker in 1921

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 139491: authorized by George Stanley, entered by Hannah Shepherd on 12.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Trigoniida - Myophorelloidae
Myophorella orientalis Kobayashi and Tamura 1955 clam
Hypotype USNM 219876