Where: Prince George's County, Maryland (39.0° N, 76.7° W: paleocoordinates 39.8° N, 52.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Severn Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

Size classes: macrofossils, mesofossils

Collected by A. C. Myrick, Jr.; reposited in the USNM

Primary reference: D. Baird. 1986. Upper Cretaceous reptiles from the Severn Formation of Maryland. The Mosasaur 3:63-85 [J. Alroy/M. Sommers/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27566: authorized by John Alroy, entered by John Alroy on 11.12.2002

Creative Commons license: CC BY (attribution)