USGS-M6646 (Mt. Oratia) (Cretaceous of the United States)

Where: Alaska (60.0° N, 160.0° W: paleocoordinates 64.0° N, 95.0° W)

When: Mount Oratia Formation, Valanginian (139.8 - 132.9 Ma)

Environment/lithology: calcareous sandstone and conglomerate

• lithology also includes interbeds of impure limestone

Reposited in the USGS

Primary reference: J. M. Hoare and W. L. Coonrad. 1983. Graywacke of Buchia Ridge and Correlative Lower Cretaceous Rocks in the Goodnews Bay and Bethel Quadrangles, Southwestern Alaska. United States Geological Survey Bulletin (1529-C)1-17 [M. Patzkowsky/K. Layou/R. McClees-Funinan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2425: authorized by Mark Patzkowsky, entered by Karen Layou on 05.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Buchiidae
cf. Buchia crassicolis, Buchia keyserlingi
cf. Buchia crassicolis scallop
originally entered as "Buchia cf. B. crassicolis"
Buchia keyserlingi Lahusen 1888 scallop