CAS Loc. 27831 - Little Cow Creek [Pacheco Gp] (Cretaceous of the United States)

Where: Shasta County, California (40.6° N, 122.2° W: paleocoordinates 43.4° N, 84.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Redding Formation (Pacheco Group), Turonian (93.9 - 89.8 Ma)

• Collection from lowest fossil bearing horizon, about 60 ft thick, beneath which are conglomerates. Middle Turonian in age.

• bed-level stratigraphic resolution

Environment/lithology: marine; conglomerate

• No paleoenvironmental data reported.
• Conglomerate.

Size class: macrofossils

Reposited in the CAS

• Collected by Taff, Hanna and Cross. Unknown identifier. Collections likely to reposited at CAS.

Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44217: authorized by Austin Hendy, entered by Austin Hendy on 04.09.2004, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• Not exhaustive, but likely to be representative.
Gastropoda
 Heterostropha - Acteonellidae
Actaeonella oviformis Gabb 1869 snail
Acteonella frazierensis Anderson 1958 snail
 Heterostropha - Nerineidae
Nerinea sp. Deshayes 1827 snail
 Sorbeoconcha - Naticidae
Gyrodes expansus Gabb 1864 moon snail
Bivalvia
 Cardiida - Veneridae
""Aphrodina" varians" = Calva (Calva) varians
""Aphrodina" varians" = Calva (Calva) varians Gabb 1864 venus clam
 Arcida - Glycymerididae
Glycymeris shastensis Anderson 1958 clam