UCMP 9045, Oat Gulch (Cretaceous of the United States)

Where: Stanislaus County, California (37.2° N, 121.1° W)

• Paleocoordinates: 50.1° N, 85.1° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moreno Formation (Great Valley Group), Maastrichtian (72.2 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by Elftman; reposited in the UCMP

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 185468: authorized by Matthew Clapham, entered by Matthew Clapham on 23.04.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella chaneyi Merriam 1941 turret shell
 Sorbeoconcha - Aporrhaidae
Pyktes hamulus Gabb 1864 snail
 Sorbeoconcha - Naticidae
Polinices sp. Monfort 1810 moon snail
 Heterostropha - Ringiculidae
Biplica miniplicata Popenoe 1957 snail
Bivalvia
 Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823 clam
 Cardiida - Veneridae
Callistalox ? fragilis Gabb 1869 venus clam
 Mytilida - Mytilidae
Septifer sp. Récluz 1848 mussel
 Ostreida - Gryphaeidae
Exogyra sp. Say 1820 oyster
Pycnodonte (Pycnodonte) sp. Fischer von Waldheim 1835 oyster
 Ostreida - Bakevelliidae
cf. Aguileria sp. White 1887 oyster
 Pectinida - Anomiidae
Anomia "n. sp. A" Linnaeus 1758 jingle
 Arcida - Glycymerididae
"Glycymeris (Glycymeris) aff. veatchii" = Glycymerita veatchii
"Glycymeris (Glycymeris) aff. veatchii" = Glycymerita veatchii Gabb 1864 clam
 Arcida - Cucullaeidae
"Idonearca "n. sp. A"" = Cucullaea (Idonearca)
"Idonearca "n. sp. A"" = Cucullaea (Idonearca) Conrad 1862 clam