Where: Alaska (62.1° N, 147.4° W: paleocoordinates 31.8° N, 82.4° W)
• coordinate based on nearby landmark
When: Chinitna Formation, Callovian (166.1 - 163.5 Ma)
• Reworked concretions in Cretaceous shales containing fossils from Chinitna and Naknek formations and the overlying Nelchina Limestone. Fossils from Callovian, Chinitna Formation.
Environment/lithology: marine; concretionary limestone and shale
Size classes: macrofossils, mesofossils
Collected by A. Grantz, R.D. Hoare, R.W. Imlay in 1952; reposited in the USNM
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 139591: authorized by George Stanley, entered by Hannah Shepherd on 14.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Myophorella orientalis Kobayashi and Tamura 1955 clam |