Where: Prince George's County, Maryland (38.8° N, 76.7° W: paleocoordinates 39.1° N, 60.8° W)

• coordinate estimated from map

When: Nanjemoy Formation (Pamunkey Group), Ypresian (56.0 - 47.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: W. B. Clark. 1895. Contributions to the Eocene fauna of the Middle Atlantic slope. Johns Hopkins University Circulars 15(121):3-6 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 126866: authorized by Mark Uhen, entered by Mark Uhen on 19.04.2012

Creative Commons license: CC BY (attribution)