Where: Prince Georges County, Maryland (38.8° N, 76.7° W: paleocoordinates 39.3° N, 58.2° 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 91709: authorized by Jocelyn Sessa, entered by Laurie Eccles on 17.10.2009, edited by Ursula Smith
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Brachidontes potomacensis mussel | |
| |
Cucullaea (Cyphoxis) gigantea Conrad 1862 clam | |
Gryphaeostrea vomer Morton 1828 oyster | |
Pteria "sp. D" Scopoli 1777 pearl oyster | |
Eburneopecten dalli scallop | |
Bathytormus alaeformis Conrad 1830 clam | |
"Astarte" marylandica Clark 1895 clam | |
Venericardia (Venericor) regia Conrad 1865 clam | |
Miltha (cf. Saxolucina) aquiana, ""Lucina" uhleri" = Myrtaea (Myrtaea) curta
""Lucina" uhleri" = Myrtaea (Myrtaea) curta Conrad 1865 clam | |
Teredo virginiana Clark 1895 clam | |
Nemocardium "sp. C" Meek 1876 cockle | |
Pitar (Pitar) pyga venus clam
Dosiniopsis lenticularis Rogers 1838 venus clam | |
Gastrochaena "sp. A" Spengler 1783 clam | |
Panopea elongata clam | |
Nuculana parilis pointed nut clam | |
Gastropoda | |
Diodora marlboroensis snail | |
"Calliostoma" "sp. B" Swainson 1840 top snail | |
Odostomia "sp. C" Fleming 1817 snail | |
Tornatellaea "sp. C" Conrad 1860 snail | |
? Turritella "sp. B" Lamarck 1799 turret shell
Turritella humerosa Conrad 1835 turret shell | |
Euspira marylandica Conrad 1865 moon snail | |
Serpulorbis "sp." Sasso 1827 worm shell | |
Priscoficus arguta fig shell | |
Strepsidura "spp." Swainson 1840 true whelk
Pseudoliva "sp. C" Swainson 1840 true whelk | |
Calyptraphorus jacksoni Clark 1895 snail |