Where: Anne Arundel County, Maryland (38.9° N, 76.6° W: paleocoordinates 39.4° N, 58.0° 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 91721: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.10.2009, edited by Ursula Smith
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana parilis pointed nut clam | |
Dosiniopsis lenticularis Rogers 1838 venus clam | |
Bathytormus alaeformis Conrad 1830 clam | |
"Astarte" marylandica Clark 1895 clam | |
| |
Cucullaea (Cyphoxis) gigantea Conrad 1862 clam | |
Gastropoda | |
Calyptraphorus jacksoni Clark 1895 snail | |
? Turritella "sp. B" Lamarck 1799 turret shell |