Where: Henrico County, Virginia (37.5° N, 77.2° W: paleocoordinates 37.6° N, 76.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Rushmere Member (Yorktown Formation), Late/Upper Pliocene (3.6 - 2.6 Ma)
• 10 feet thick bed
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, fine-grained, shelly/skeletal, gray, blue sandstone
Size class: macrofossils
Reposited in the USGS
Primary reference: L. W. Ward. 1985. Stratigraphy and Characteristic Mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group-Virginia Coastal Plain. United States Geological Survey Professional Paper (1346)1-77 [A. Miller/D. Buick]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 60660: authorized by Arnold Miller, entered by Devin Buick on 19.05.2006, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Ecphora quadricostata Conrad 1830 murex snail | |
Bivalvia | |
Cyclocardia granulata Say 1824 clam | |
"Astarte undulata" = Astarte (Ashtarotha) undulata
"Astarte undulata" = Astarte (Ashtarotha) undulata Say 1824 clam | |
Panopea reflexa clam | |
Dosinia acetabulum, "Mercenaria tridacnoides" = Mercenaria campechiensis tridacnoides
"Mercenaria tridacnoides" = Mercenaria campechiensis tridacnoides Lamarck 1818 quahog | |
Chama congregata Conrad 1833 jewel box | |
Costaglycymeris subovata Say 1824 clam | |
"Ostrea sculpturata" = Conradostrea sculpturata, "Conradostrea sculpturata" = Conradostrea sculpturata
"Ostrea sculpturata" = Conradostrea sculpturata Conrad 1840 oyster
"Conradostrea sculpturata" = Conradostrea sculpturata Conrad 1840 oyster | |
Chesapecten madisonius Say 1824 scallop |