Where: Grant County, Oregon (44.1° N, 119.3° W)
• Paleocoordinates: 24.3° N, 45.9° W (Wright 2013)
• coordinate based on nearby landmark
When: Suplee Formation, Late/Upper Pliensbachian (192.9 - 184.2 Ma)
• Upper Pliensbachian, 4.5 to 7.5 m (15-25 ft) below top of Suplee Formation (Imlay, 1968)
Environment/lithology: marine; gray limestone and calcareous sandstone
Size classes: macrofossils, mesofossils
Collected by R.W. Imlay in 1961; 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 139736: authorized by George Stanley, entered by Hannah Shepherd on 16.02.2013
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
"Vaugonia oregonensis" = Pseudovaugonia oregonensis
"Vaugonia oregonensis" = Pseudovaugonia oregonensis Poulton 1979 clam |