GSC loc. 89482, 89486 (Jurassic to of Canada)

Where: Alberta, Canada (49.7° N, 114.4° W: paleocoordinates 43.6° N, 54.2° W)

• coordinate estimated from map

When: Lille Member, Late/Upper Bathonian to Late/Upper Bathonian (167.7 - 161.2 Ma)

• Upper Bathonian or Lower Callovian

Environment/lithology: marine; calcareous sandstone and shale

• May be facies equivalent of Rock Creek member (see Frebold, 1957, GSC Memoir 287).

Size class: macrofossils

Collected by T.P. Poulton in 1972; 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 139236: authorized by George Stanley, entered by Hannah Shepherd on 09.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Trigoniida - Myophorelloidae
Myophorella argo Crickmay 1930 clam
Holotype GSC 27714 from 89486
 Trigoniida - Trigoniidae
"Myophorella montanaensis" = Trigonia montanaensis
"Myophorella montanaensis" = Trigonia montanaensis Meek 1873 clam