Where: Prince Georges County, Maryland (38.7° N, 77.0° W: paleocoordinates 39.3° N, 58.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Aquia Formation (Pamunkey Group), Late/Upper Paleocene (58.7 - 55.8 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 91714: authorized by Jocelyn Sessa, entered by Laurie Eccles on 17.10.2009, edited by Ursula Smith
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Cadulus "sp. F" Philippi 1844 tusk shell | |
Dentalium "sp. B" Linnaeus 1758 tusk shell | |
Gastropoda | |
Odontopolys sp. murex snail | |
? Mesorhytis pomonkensis mitre shell
? Mesorhytis potomacensis mitre shell | |
Dolicholatirus sp. Bellardi 1884 snail | |
cf. Eopleurotoma potomacensis, ""Pleurotoma" piscatavensis" = Turris
""Pleurotoma" piscatavensis" = Turris turrid | |
Narona potomacensis snail | |
Cylichna venusta Clark 1895 snail | |
Bivalvia | |
Cucullaea (Cyphoxis) gigantea Conrad 1862 clam | |
""Lucina" uhleri" = Myrtaea (Myrtaea) curta
""Lucina" uhleri" = Myrtaea (Myrtaea) curta Conrad 1865 clam | |
Teredo virginiana Clark 1895 clam | |
Dosiniopsis lenticularis Rogers 1838 venus clam | |
Nemocardium "sp. C" Meek 1876 cockle | |
Panopea elongata clam | |
Bathytormus alaeformis Conrad 1830 clam | |
Venericardia (Venericor) regia Conrad 1865 clam |