CAS loc. 31918, Thompson Creek (Cretaceous of the United States)

Where: Yolo County, California (38.5° N, 122.1° W: paleocoordinates 41.3° N, 85.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yolo Formation, Turonian (93.9 - 89.8 Ma)

• Base of formation

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the 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: taxonomic analysis

PaleoDB collection 176026: authorized by Pete Wagner, entered by Pete Wagner on 23.01.2016, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Pseudomelanoidea - Pseudomelaniidae
"Acteonina californica n. sp." = Paosia californica
"Acteonina californica n. sp." = Paosia californica Gabb 1864 snail
 Sorbeoconcha - Cypraeidae
"Cypraea berryessae n. sp." = Bernaya (Protocypraea) berryessae
"Cypraea berryessae n. sp." = Bernaya (Protocypraea) berryessae Anderson 1958 cowry
 Sorbeoconcha - Naticidae
Gyrodes (Sohlella) yolensis n. sp.1
Gyrodes (Sohlella) yolensis n. sp.1 Popenoe et al. 1987 moon snail
Bivalvia
 Arcida - Glycymerididae
Glycymeris yoloensis2, Trigonarca californica
Glycymeris yoloensis2 Squires 2010 clam
Trigonarca californica Packard 1922 clam
 Hippuritida - Radiolitidae
? Durania sp.
? Durania sp. Douvillé 1908 rudist
 Cardiida - Veneridae
"Trigonocallista nitida" = Calva (Egelicalva) nitida
"Trigonocallista nitida" = Calva (Egelicalva) nitida Gabb 1864 venus clam
1Popenoe et al. 1987; 2Squires 2010