USGS Cenozoic M918 Pine Canyon (Miocene of the United States)

Also known as UCMP IP6640

Where: Monterey County, California (36.2° N, 121.2° W: paleocoordinates 35.8° N, 119.3° W)

• coordinate stated in text

When: Pancho Rico Formation, Messinian (7.2 - 5.3 Ma)

• Described in reference as Pliocene. Pancho Rico Formation is Miocene per Addicott 1978 (Geological Survey Bulletin, Issue 1457). AGE: Revised to Messian consistent with EPICC stratigraphic revision [A. Hendy, 06/2020].

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 194798: authorized by Patricia Holroyd, entered by Susan Tremblay on 29.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
? Lyropecten sp. Conrad 1862 scallop
 Pholadida - Myidae
? Mya sp. Linnaeus 1758 softshell clam
? Cryptomya sp. Conrad 1848 softshell clam
 Cardiida - Tellinidae
Macoma nasuta Conrad 1837 tellin clam
 Cardiida - Veneridae
"Protothaca tenerrima" = Callithaca tenerrima
"Protothaca tenerrima" = Callithaca tenerrima Carpenter 1857 venus clam
Gastropoda
 Sorbeoconcha - Procerithiidae
"Bittium cf. casmaliense" = Lirobittium casmaliense
"Bittium cf. casmaliense" = Lirobittium casmaliense Bartsch 1911 snail
 Neogastropoda - Nassariidae
? Nassarius sp. Duméril 1806 snail
 Neogastropoda - Siphonaliidae
Calicantharus cf. fortis Carpenter 1866 snail
 Neogastropoda - Drilliidae
? Clavus coalingensis Arnold 1909 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea sp. Lamarck 1799 slipper shell