UCMP A-1907, Garzas Creek (Cretaceous of the United States)

Where: Stanislaus County, California (37.2° N, 121.1° W: paleocoordinates 43.3° N, 96.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by A. Bennison; 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 185494: authorized by Matthew Clapham, entered by Matthew Clapham on 24.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Crustacea
  -
Crustacea indet. BrĂ¼nnich 1772
Bivalvia
 Arcida - Glycymerididae
? Glycymeris sp. Da Costa 1778 clam
 Pectinida - Anomiidae
Anomia "n. sp. A" Linnaeus 1758 jingle
 Ostreida - Bakevelliidae
cf. Aguileria sp. White 1887 oyster
 Carditida - Crassatellidae
 Cardiida - Veneridae
Calva sp. Popenoe 1937 venus clam
Gastropoda
 Stromboidea - Aporrhaidae
 Calyptraeoidea - Trichotropidae
Lysis sp. Gabb 1864 snail
 Trochoidea - Trochidae
Echinoidea
 Cassiduloida - Cassidulidae
"Cassidulus" mercedensis Anderson 1958 sea urchin