Where: Calvert County, Maryland (38.6° N, 76.5° W: paleocoordinates 38.8° N, 73.6° W)

• coordinate estimated from map

When: Calvert Beach Member (Calvert Formation), Serravallian (13.8 - 11.6 Ma)

• Zones 14-16A are regarded as Serravallian in age.

• group of beds-level stratigraphic resolution

Environment/lithology: foreshore; brown, sandy 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 70821: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007

Creative Commons license: CC BY (attribution)