Where: Prince Georges County, Maryland (38.7° N, 77.0° W: paleocoordinates 39.2° N, 58.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Aquia Formation (Pamunkey Group), Thanetian (59.2 - 56.0 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 99282: authorized by Jocelyn Sessa, entered by Ursula Smith on 04.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
"? Monodonta glandula" = Gibbula glandula
"? Monodonta glandula" = Gibbula glandula Conrad 1866 top snail | |
"Turritella mortoni" = Kapalmerella mortoni, Turritella humerosa
"Turritella mortoni" = Kapalmerella mortoni Conrad 1830 turret shell
Turritella humerosa Conrad 1835 turret shell | |
Aporrhais potomacensis snail | |
Bivalvia | |
Panopea elongata clam | |
Pholadomya marylandica Conrad 1842 clam | |
Venericardia (Venericor) regia Conrad 1865 clam |