USGS M8772, Mule Gulch (Cretaceous of the United States)

Also known as BX-88-2C

Where: Stanislaus County, California (37.2° N, 121.2° W: paleocoordinates 42.1° N, 87.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Panoche Formation (Great Valley Group), Late/Upper Cretaceous (100.5 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by B.F. Cox in 1991; reposited in the USGS

Primary reference: W. P. Elder and J. W. Miller. 1993. Map and checklists of Jurassic and Cretaceous macrofossil localities within the San Jose 1:100,000 Quadrangle, California, and discussion of paleontological results. United States Geological Survey Open-File Report 93-503:1-49 [M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 185498: authorized by Matthew Clapham, entered by Matthew Clapham on 24.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
Gastropoda
 Sorbeoconcha - Aporrhaidae
? Anchura sp. Conrad 1860 snail
 Neogastropoda - Fasciolariidae
? Drilluta sp. Wade 1916 snail