Where: Charles County, Maryland (38.5° N, 77.0° W: paleocoordinates 38.8° N, 61.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nanjemoy Formation (Pamunkey Group), Ypresian (56.0 - 47.8 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: mesofossils
Primary reference: K. V. Palmer and D. C. Brann. 1965. Catalogue of the Paleocene and Eocene mollusca of the southern and eastern United States. Part 1. Pelecypoda, Amphineura, Peteropoda, Scaphopoda and Cephalopoda. Bulletins of American Paleontology 48:1-471 [M. Kosnik/M. Kosnik/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99267: authorized by Jocelyn Sessa, entered by Ursula Smith on 04.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Cadulus bellulus Clark 1895 tusk shell | |
Bivalvia | |
Pitar (Pitar) ovatus Rogers and Rogers 1837 venus clam | |
Venericardia (Venericor) potapacoensis Clark and Martin 1901 clam | |
Nucula (Nucula) potomacensis nut clam | |
Nuculana improcera pointed nut clam | |
Gastropoda | |
Cypraea "sp. A" Linnaeus 1758 cowry | |
Cylichna venusta Clark 1895 snail |