Dulles Airport interchange (Triassic of the United States)

Where: Loudon County, Virginia (39.0° N, 77.4° W: paleocoordinates 13.3° N, 21.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Balls Bluff Member (Bull Run Formation), Norian (228.0 - 208.5 Ma)

• early Nortian, base of member

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collected by J. Reinhardt & W. Siglio; reposited in the USNM

Primary reference: R. E. Weems and P. G. Kimmel. 1993. Upper Triassic reptile footprints and a coelacanth fish scale from the Culpeper Basin, Virginia. Proceedings of the Biological Society of Washington 16(2):390-401 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 154231: authorized by Matthew Carrano, entered by Matthew Carrano on 03.02.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Coelacanthimorpha
 Coelacanthiformes - Dipluridae
Diplurus sp. Newberry 1878 coelacanth
USNM 421762