CAS 28326, Panoche Hills (Cretaceous of the United States)

Where: Fresno County, California (36.7° N, 120.8° W: paleocoordinates 36.5° N, 81.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pacheco Group, Cenomanian (100.5 - 93.9 Ma)

• Collected from a boulder in a conglomerate. Cenomanian in age

• bed-level stratigraphic resolution

Environment/lithology: marine; conglomerate

• No paleoenvironmental data reported.
• Collected from a boulder in a conglomerate, no lithology specified however.

Size class: macrofossils

Reposited in the CAS

• Collected by Taff and Cross. Collections reposited in 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 44195: 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.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Kossmaticeratidae
"Puzosia (Parapuzosia) waringi" = Hulenites jimboi
"Puzosia (Parapuzosia) waringi" = Hulenites jimboi Anderson 1938 ammonite
Gastropoda
 Trochoidea - Turbinidae
"Margarites aff. inornatus" = Atira inornata
"Margarites aff. inornatus" = Atira inornata Gabb 1864 snail
 Architaenioglossa - Ampullinidae
"Amauropsis pseudoalveata" = Ampullina pseudoalveata
"Amauropsis pseudoalveata" = Ampullina pseudoalveata Packard 1922 snail
Bivalvia
 Pectinida - Entoliidae
Syncyclonema aff. operculiformis
 Cardiida - Veneridae
"Callista" aff. pseudoplana
"Callista" aff. pseudoplana Yabe and Nagao 1925 venus clam
 Lucinida - Mactromyidae
Thetironia annulata
Thetironia annulata Gabb 1864 clam