Potamac River Bluffs NW of Potomac Creek (Paleocene of the United States)

Where: Stafford County, Virginia (38.4° N, 77.3° W: paleocoordinates 38.9° N, 58.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the USGS

Primary reference: R. E. Weems. 2014. Paleogene chelonians from Maryland and Virginia. PaleoBios 31(1):1-32 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167192: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Dermochelyidae
Eosphargis insularis Cope 1872 leatherback
 Testudines - Pantrionychidae
"Aspideretoides virginianus" = Trionyx virginiana
"Aspideretoides virginianus" = Trionyx virginiana Clark 1895 turtle