Also known as USGS loc. 18208; Locality F-17 of Winterer and Durham (1962)
Where: Ventura County, California (34.4° N, 118.7° W: paleocoordinates 34.2° N, 117.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Towsley Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)
• Near top of Towsley Formation
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
Collected by B. Kelley and J. Cooper in 1942?; reposited in the LACM
Primary reference: R. L. Squires. 1991. New morphologic and stratigraphic data on Calyptogena (Calyptogena) gibbera Crickmay, 1929 (Bivalvia: Vesicomyidae) from the Pliocene and Pleistocene of Southern California. The Veliger 34(1):73-77 [J. Marcot/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 193546: authorized by Jonathan Marcot, entered by Jonathan Marcot on 26.05.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Calyptogena (Calyptogena) pacifica" = Vesicomya (Calyptogena) pacifica, "Calyptogena (Calyptogena) gibbera" = Archivesica gibbera
"Calyptogena (Calyptogena) pacifica" = Vesicomya (Calyptogena) pacifica Dall 1891 clam
"Calyptogena (Calyptogena) gibbera" = Archivesica gibbera Crickmay 1929 clam |