UCLA 6489, between Orestimba Creek and Oat Gulch (Cretaceous of the United States)

Also known as P 20-44

Where: Stanislaus County, California (37.3° N, 121.2° W: paleocoordinates 43.4° N, 96.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Moreno Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by W.P. Popenoe in 1944; reposited in the LACM

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 185445: authorized by Matthew Clapham, entered by Matthew Clapham on 23.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778 clam
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
Lyriochlamys traskii Gabb 1864 scallop
 Pectinida - Anomiidae
Anomia sp. Linnaeus 1758 jingle
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Pholadida - Corbulidae
Corbulidae indet. Lamarck 1818 clam
 Cardiida -
 Cardiida - Mactridae
Cymbophora sp. Gabb 1868 clam
 Cardiida - Ungulinidae
Diplodonta sp. Bronn 1831 clam
 Cardiida - Donacidae
Adelodonax altus Gabb 1864 clam
 Cardiida - Tancrediidae
Meekia (Meekia) sella Gabb 1864 clam
Gastropoda
 Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846 snail
 Naticoidea - Naticidae
Polinices sp. Monfort 1810 moon snail
 Heterostropha - Ringiculidae
Biplica sp. Popenoe 1957 snail
 Trochoidea - Trochidae
? Margarites sp. Gray 1847 top snail
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell