Where: Washington County, Virginia (36.7° N, 82.2° W: paleocoordinates 16.2° S, 26.7° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Pennington Formation, Chesterian (339.4 - 318.1 Ma)
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; lithified, gray, argillaceous sandstone and siltstone
Primary reference: C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7085: authorized by John Alroy, entered by Mike Sommers on 25.04.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
? Diaphragmus sp. Girty 1910 | |
Rhynchonellata | |
Anthracospirifer cf. leidyi Norwood and Pratten 1855 |