Locality 15, east-southeast of Pigeon Point (Cretaceous of the United States)

Where: San Mateo County, California (37.2° N, 122.4° W: paleocoordinates 43.4° N, 91.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pigeon Point Formation, Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified sandstone

• Presence of hummocky cross-stratification suggests offshore-transition/lower shoreface environment

Size class: macrofossils

Preservation: mold/impression

Collected by R. Crandall

Primary reference: W. P. Elder and J. W. Miller. 1989. Checklist of Mesozoic macrofossil localities in the Santa Cruz Mountains and vicinity. United States Geological Survey Open-File Report 89-543:1-9 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 168012: authorized by Matthew Clapham, entered by Matthew Clapham on 11.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculida - Nuculidae
Acila (Truncacila) demessa
Acila (Truncacila) demessa Finlay 1927 divaricate nutclam
 Trigoniida - Megatrigonioidae
Pterotrigonia evansana
Pterotrigonia evansana Meek 1864 clam
 Hiatellida - Hiatellidae
? Panopea sp.
? Panopea sp. Menard 1807 clam
 Cardiida - Veneridae
"Calva bowersiana" = Calva (Egelicalva) bowersiana
"Calva bowersiana" = Calva (Egelicalva) bowersiana Cooper 1894 venus clam
 Cardiida - Tellinidae
Tellina sp.
Tellina sp. Linnaeus 1758 tellin clam
 Arcida - Parallelodontidae
"? Indogrammatodon sp." = Grammatodon (Indogrammatodon)
"? Indogrammatodon sp." = Grammatodon (Indogrammatodon) Cox 1937 clam
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
Gastropoda
 Cerithioidea - Turritellidae
Turritella ? chicoensis
Turritella ? chicoensis Gabb 1864 turret shell