Pacheco Group - Little Cow Creek (uppermost Turonian), Shasta (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)

• 500 ft above position of middle Turonian collections on Little Cow Creek. Uppermost 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 44205: authorized by Austin Hendy, entered by Austin Hendy on 04.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Not exhaustive, but likely to be representative.
Bivalvia
 Ostreida - Arctostreidae
Ostrea sp. Linnaeus 1758 oyster
Cephalopoda
 Ammonitida - Desmoceratidae
"Kotoceras frazierense" = Damesites sugata
"Kotoceras frazierense" = Damesites sugata Forbes 1846 ammonite
 Phylloceratida - Phylloceratidae
"Phylloceras vaculae" = Hypophylloceras (Neophylloceras) ramosum Meek 1857 ammonite