Potomac River - 0.3 miles above Belvedere Beach (Paleocene of the United States)

Also known as USGS Locality 26359

Where: King George County, Virginia (38.3° N, 77.3° W: paleocoordinates 39.0° N, 58.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Paspotansa Member (Aquia Formation), Late/Upper Paleocene (58.7 - 55.8 Ma)

• 12 feet thick bed

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, glauconitic, micaceous, silty sandstone

• Sand, olive-black (5 Y 2/1), fine, well-sorted, silty, micaceous, glauconitic; numerous Turritella, scattered as well as in distinct bands, common Ostrea sinuosa, moderate molluscan diversity.

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 60908: authorized by Arnold Miller, entered by Devin Buick on 27.05.2006, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Elopiformes - Phyllodontidae
Phyllodus toliapicus Agassiz 1839
Chondrichthyes
 Lamniformes - Otodontidae
"Odontaspis macrota" = Otodus macrotus
"Odontaspis macrota" = Otodus macrotus Agassiz 1838 mackerel shark
Bivalvia
 Ostreida - Ostreidae
Gastropoda
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell