Where: Anne Arundel County, Maryland (39.0° N, 76.5° W: paleocoordinates 39.5° 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. 1966. Catalogue of the Paleocene and Eocene Mollusks of the Southern and Eastern United States Part II. Gastropoda. Bulletins of American Paleontology 48:471-1057 [M. Kosnik/M. Kosnik/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91722: authorized by Jocelyn Sessa, entered by Laurie Eccles on 18.10.2009, edited by Ursula Smith

Creative Commons license: CC BY (attribution)