USGS 31850 (Cretaceous of the United States)

Also known as Walkers Bluff

Where: North Carolina (35.8° N, 78.6° W: paleocoordinates 36.0° N, 49.2° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Black Creek Formation, Campanian (83.6 - 72.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the USGS

• Sohl and Christopher

Primary reference: N. F. Sohl and R. A. Christopher. 1983. The Black Creek-Peedee formational contact (Upper Cretaceous) in the Cape Fear river region of North Carolina. US Geological Survey Professional Paper 1285:1-37 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7624: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
Nemodon sp. Conrad 1869 clam
Nemodon sp.
 Arcida - Arcidae
Arca bladensis ark
Arca bladensis (Stephenson)
 Cardiida - Cardiidae
Pleuriocardia sp. Scott 1978 cockle
Trachycardium sp.
 Cardiida - Tellinidae
Tellinimera sp. Conrad 1860 tellin clam
Tellinimeria sp.
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Mactridae
Cymbophora sp. Gabb 1869 clam
Cymbophora sp.
Gastropoda
 Trochoidea - Ataphridae
? Ataphrus sp. Gabb 1869 snail
Ataphrus? sp.
 Neotaenioglossa - Gyrotropidae
Gyrotropis sp. Gabb 1877 snail
Gyrotropis sp.