Also known as Bladensburg, Arundel

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

• coordinate estimated from map

• small collection-level geographic resolution

When: Arundel Clay Formation (Potomac Group), Late/Upper Aptian (122.5 - 113.0 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; ferruginous siliciclastic sediments

Size class: mesofossils

Collected by P. Tyson; A. Bibbins in 1858, 1894

Collection methods: quarrying,

Primary reference: C. Johnston. 1859. Note upon odontology. The American Journal of Dental Science, new series 9:337-343 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52676: authorized by Matthew Carrano, entered by Matthew Carrano on 16.08.2005

Creative Commons license: CC BY (attribution)