Where: Fresno County, California (36.7° N, 120.7° W: paleocoordinates 42.6° N, 96.6° W)
• coordinate based on nearby landmark
When: Laguna Seca Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• Basal conglomerate at the K-T boundary.
Environment/lithology: marine; lithified, pebbly, gray, yellow, sandy conglomerate
Reposited in the UCMP
• Burial in comglomerate indicates transport of fossils. Fossils should be older than this bed.
Primary reference: J. T. Smith. 1975. Age, Correlation and Possible Tethyan Affinities of Mollusks from the Lodo Formation of Fresno County, California. Paleogene Symposium & Selected Technical Papers: Conference on Future Energy Horizons of the Pacific Coast 464-483 [A. Miller/C. Ferguson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 11122: authorized by Arnold Miller, entered by Chad Ferguson on 19.07.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
"Cophocara stantoni" = Perissitys stantoni
"Cophocara stantoni" = Perissitys stantoni Stewart 1927 snail |