GSC loc. 85395, 85425, 85426 (Jurassic of Canada)

Also known as Ashman ridge

Where: British Columbia, Canada (54.9° N, 127.9° W: paleocoordinates 44.9° N, 73.4° W)

• coordinate based on nearby landmark

When: Bowser Lake Group, Early/Lower Oxfordian (161.2 - 155.7 Ma)

• Lower Oxfordian

•85426 = Stratigraphically above 85425

Environment/lithology: marine; shale

• shale bed

Size classes: macrofossils, mesofossils, microfossils

Preservation: cast, mold/impression

Collected by H. W. Tipper in 1970; reposited in the GSC

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 139092: authorized by George Stanley, entered by Hannah Shepherd on 08.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Myophorelloidae
Vaugonia doroschini Eichwald 1871 clam
from GSC 85425, 85426
 Trigoniida - Megatrigonioidae
Anditrigonia plumasensis Hyatt 1892 clam
from GSC 85395