UCMP loc. 3004 (Pliocene of the United States)

Where: Monterey County, California (36.2° N, 120.7° W: paleocoordinates 36.0° N, 119.4° W)

• coordinate stated in text

• local area-level geographic resolution

When: Pecten coalingensis other zone, Etchegoin Formation, Pliocene (5.3 - 2.6 Ma)

• Pecten coalingensis zone

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• "San Joaquin clay near Coalinga"

Size class: macrofossils

Collected by Nomland in 1915; reposited in the UCMP

Primary reference: J. O. Nomland. 1917. The Etchegoin Pliocene of middle California. University of California Publications, Bulletin of the Department of Geology 10(14):191-254 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220193: authorized by Jonathan Marcot, entered by Jonathan Marcot on 11.05.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
"Ostrea vespertina" = Dendostrea vespertina
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster
 Pectinida - Pectinoidae
"Pecten coalingensis" = Oppenheimopecten coalingaensis, "Pecten (Hinnites) giganteus" = Crassadoma gigantea, "Pecten egregius" = Chlamys egregius, "Pecten etchegoini" = Swiftopecten parmeleei etchegoini, "Pecten proteus" = Argopecten circularis impostor
"Pecten coalingensis" = Oppenheimopecten coalingaensis Arnold 1906 scallop
"Pecten (Hinnites) giganteus" = Crassadoma gigantea Gray 1825 scallop
"Pecten egregius" = Chlamys egregius Nomland 1917 scallop
"Pecten etchegoini" = Swiftopecten parmeleei etchegoini Anderson 1905 scallop
as ssp. Pecten etchegoini wattsi and Pecten etchegoini nutteri
"Pecten proteus" = Argopecten circularis impostor Hanna 1924 calico scallop
Gastropoda
 Neogastropoda - Muricidae
Thais lamellosa Gmelin 1791 murex snail
Echinoidea
 Clypeasteroida - Dendrasteridae
Dendraster gibbsii RĂ©mond 1863 sand dollar