Where: Anne Arundel County, Maryland (39.1° N, 76.5° W: paleocoordinates 38.8° N, 46.6° W)

• coordinate estimated from map

When: Matawan Formation, Campanian (83.5 - 70.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: E. W. Berry. 1916. Systematic Paleontology: Vertebrata. In W. Clark (ed.), Maryland Geological Survey: Upper Cretaceous 347-361 [M. Uhen/M. Uhen] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 127192: authorized by Mark Uhen, entered by Mark Uhen on 03.05.2012