Warren Brothers sand pits, Cobham Bay (Miocene of the United States)

Also known as USGS Locality 26417

Where: Henrico County, Virginia (37.5° N, 77.2° W: paleocoordinates 37.6° N, 75.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cobham Bay Member (Eastover Formation), Messinian (7.2 - 5.3 Ma)

• Mollusk Zone 7

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, phosphatic, gray, blue sandstone

• sand, blue-gray, fine, phosphatic

Size class: macrofossils

Reposited in the USGS

Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 71655: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neogastropoda - Muricidae
Ecphora kochi Ward and Gilinsky 1988 murex snail
 Ostreida - Malleidae
 Pectinida - Pectinoidae
Chesapecten middlesexensis Mansfield 1936 scallop
subspecies middlesexensis
 Cardiida - Euloxidae