UCLA 6350, 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 (Great Valley Group), Maastrichtian (72.1 - 66.0 Ma)

• Middle Maastrichtian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by R.B. Stewart 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 185492: authorized by Matthew Clapham, entered by Matthew Clapham on 24.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella chaneyi Merriam 1941 turret shell
 Sorbeoconcha - Capulidae
cf. Capulus sp. Monfort 1810 snail
 Sorbeoconcha - Aporrhaidae
Pyktes cf. hamulus Gabb 1864 snail
Bivalvia
 Arcida - Glycymerididae
"Glycymeris (Glycymeris) aff. veatchii" = Glycymerita veatchii
"Glycymeris (Glycymeris) aff. veatchii" = Glycymerita veatchii Gabb 1864 clam
 Cardiida - Cardiidae
Cardiidae indet. Lamarck 1809 cockle
 Cardiida - Veneridae
Callistalox cf. fragilis Gabb 1869 venus clam