Contee (Goucher College) (Cretaceous of the United States)

Where: Prince George's County, Maryland (39.1° N, 76.9° W: paleocoordinates 32.9° N, 31.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Arundel Clay Formation (Potomac Group), Late/Upper Aptian (122.5 - 112.0 Ma)

• Palynology of the Potomac Group suggests a late Aptian age for the Arundel facies (Brenner, 1963; Doyle and Robbins, 1977; Hochuli et al., 2006; Doyle, 2012)

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; blue, carbonaceous claystone

• "blue charcoal clay"

Size class: macrofossils

Collected by A. Bibbins, Inglehart in 1894; reposited in the USNM

Primary reference: A. Bibbins. 1895. Notes on the paleontology of the Potomac Formation. The Johns Hopkins University Circulars 15(121):17-20 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52677: authorized by Matthew Carrano, entered by Matthew Carrano on 16.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Pleurocoelus nanus2 Marsh 1888 sauropod
USNM V8455
 Theropoda -
"Ornithomimus affinis" = Coelosaurus affinis1
"Ornithomimus affinis" = Coelosaurus affinis1 Gilmore 1920 ornithomimosaur
vertebra, GC 3101 = USNM V8454