Also known as Capitalsaurus Court

Where: District of Columbia (38.9° N, 77.0° W: paleocoordinates 32.8° N, 31.5° 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 claystone and ferruginous conglomerate

Size class: macrofossils

Collected by J. K. Murphy in 1898; reposited in the USNM

Collection methods: bulk, salvage,

Primary reference: R. S. Lull. 1911. Systematic paleontology of the Lower Cretaceous deposits of Maryland: Vertebrata. In W. B. Clark, A. B. Bibbins, E. W. Berry, & R. S. Lull (eds.), Lower Cretaceous 183-211 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52675: authorized by Matthew Carrano, entered by Matthew Carrano on 16.08.2005

Creative Commons license: CC BY (attribution)