USGS Cenozoic M952 Sweetwater Canyon (Miocene of the United States)

Where: Monterey County, California (36.3° N, 121.3° W: paleocoordinates 35.5° N, 116.9° W)

• coordinate stated in text

When: Pancho Rico Formation, Miocene (23.0 - 5.3 Ma)

• Described in reference as Pliocene. Pancho Rico Formation is Miocene per Addicott 1978 (Geological Survey Bulletin, Issue 1457).

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by D. L Durham in 1959

Primary reference: D. L. Durham and W. O. Addicott. 1965. Pancho Rico Formation, Salinas Valley. United States Geological Survey Professional Paper 524(A):A1-A22 [P. Holroyd/S. Tremblay]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 195082: authorized by Patricia Holroyd, entered by Susan Tremblay on 17.07.2018, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806 snail
 Sorbeoconcha - Procerithiidae
"Bittium cf. casmaliense" = Lirobittium casmaliense
"Bittium cf. casmaliense" = Lirobittium casmaliense Bartsch 1911 snail
Bivalvia
 Pectinida - Pectinoidae
Lyropecten cerrosensis Gabb 1866 scallop
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Carditida - Carditidae
"Cyclocardia cf. californica" = Coanicardita californica
"Cyclocardia cf. californica" = Coanicardita californica Dall 1903 clam