Where: Anne Arundel County, Maryland (38.7° N, 76.6° W: paleocoordinates 39.0° N, 72.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Fairhaven Member (Calvert Formation), Burdigalian (20.4 - 16.0 Ma)

• Zone 3b

• bed-level stratigraphic resolution

Environment/lithology: foreshore; diatomaceous, silty claystone

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: surface (in situ),

Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45511: authorized by Mark Uhen, entered by Mark Uhen on 26.10.2004