USGS Mesozoic loc. 10729 (Jurassic of the United States)
Where: Montana (48.0° N, 108.6° W: paleocoordinates 40.9° N, 49.2° W)
• coordinate based on nearby landmark
When: Ellis Group, Callovian (166.1 - 163.5 Ma)
Environment/lithology: marine; calcareous shale and calcareous sandstone
Size classes: macrofossils, mesofossils
Collected by C. Cathcart, T.W. Stanton 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 139487: authorized by George Stanley, entered by Hannah Shepherd on 12.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Bivalvia | |
Scaphotrigonia naviformis Hyatt 1892 clam |