Mattaponi River - northeast of Rts. 601 and 663 intersection (Eocene of the United States)

Also known as USGS Locality 26375

Where: Caroline County, Virginia (37.9° N, 77.3° W: paleocoordinates 38.4° N, 61.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Potapaco Member (Nanjemoy Formation), Ypresian (56.0 - 47.8 Ma)

• 6 feet thick bed

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, glauconitic, gray, green, argillaceous sandstone

• Sand, olive-gray (5 Y 4/1), clayey, fine, glauconitic; thin bands of Venericardia dipping upstream (northwest) at approximately 4 degrees

Size class: macrofossils

Reposited in the USGS

Primary reference: L. W. Ward. 1985. Stratigraphy and Characteristic Mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group-Virginia Coastal Plain. United States Geological Survey Professional Paper (1346)1-77 [A. Miller/D. Buick]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 60865: authorized by Arnold Miller, entered by Devin Buick on 26.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Carditida - Carditidae
Venericardia sp.
Venericardia sp. Lamarck 1801 clam