Where: Charles County, Maryland (38.6° N, 77.1° W: paleocoordinates 39.2° N, 58.7° 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 91891: authorized by Jocelyn Sessa, entered by Laurie Eccles on 22.10.2009, edited by Ursula Smith
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
""Lucina" uhleri" = Myrtaea (Myrtaea) curta
""Lucina" uhleri" = Myrtaea (Myrtaea) curta Conrad 1865 clam | |
Teredo virginiana Clark 1895 clam | |
Pitar (Pitar) pyga venus clam | |
Coralliophaga (Oryctomya) bryani Clark 1895 clam | |
Nemocardium "sp. C" Meek 1876 cockle | |
Tellina (Angulus) virginiana Clark 1895 tellin clam | |
Panopea elongata clam | |
Bathytormus alaeformis Conrad 1830 clam | |
Brachidontes potomacensis mussel | |
Gastropoda | |
Gegania marylandica snail | |
Architectonica "sp. B" Röding 1798 sundial | |
Cylichna venusta Clark 1895 snail | |
Galeodea "sp. B" Link 1807 snail | |
Calyptraphorus "sp. A" Conrad 1857 snail | |
Cantharus (Endopachychilus) marylandicus true whelk | |
"Coronia "sp. A"" = Gemmula (Coronia), cf. Eosurcula ducateli, cf. Eopleurotoma harrisi, ""Pleurotoma" tysoni" = Turris
"Coronia "sp. A"" = Gemmula (Coronia) turrid
cf. Eosurcula ducateli turrid
cf. Eopleurotoma harrisi turrid
""Pleurotoma" tysoni" = Turris turrid | |
Narona potomacensis snail | |
Turritella humerosa Conrad 1835 turret shell |