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 91712: authorized by Jocelyn Sessa, entered by Laurie Eccles on 17.10.2009, edited by Ursula Smith
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
cf. Tudicla "sp. B" Röding 1798 snail | |
Calyptraea (Trochita) aperta Solander 1766 slipper shell | |
"Turritella mortoni" = Kapalmerella mortoni
"Turritella mortoni" = Kapalmerella mortoni Conrad 1830 turret shell | |
Bivalvia | |
Cucullaea (Cyphoxis) gigantea Conrad 1862 clam | |
Chlamys sheldonae scallop | |
Ostrea alepidota oyster | |
Brachidontes potomacensis mussel | |
Pholadomya marylandica Conrad 1842 clam | |
Pitar (Pitar) pyga venus clam
Dosiniopsis lenticularis Rogers 1838 venus clam | |
Tellina (Angulus) virginiana Clark 1895 tellin clam | |
Panopea elongata clam | |
Venericardia (Venericor) regia Conrad 1865 clam | |
Bathytormus alaeformis Conrad 1830 clam |