Where: Surry County, Virginia (37.2° N, 76.9° W: paleocoordinates 37.4° N, 75.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Cobham Bay Member (Eastover Formation), Late/Upper Miocene (11.6 - 5.3 Ma)
• Unit B in Ward 1992 (Fig. 11), ~0.5 m of sand. Collection from Cobham Bay Mbr of Eastover Fm, which overlies a thick unit of Claremont Manor Mbr, Eastover Fm and underlies the Rushmere Mbr of the Yorktown Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, phosphatic, shelly/skeletal sandstone
Size class: macrofossils
Reposited in the USNM
• Most material appears to be reposited in USNM and USGS collections
Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 59296: authorized by Austin Hendy, entered by Austin Hendy on 25.03.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Turritella plebeia" = Mariacolpus plebeia
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Ecphora kochi Ward and Gilinsky 1988 murex snail | |
Bivalvia | |
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Isognomon (Hippochaeta) sp. oyster | |
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Striarca centenaria Say 1824 clam
Rasia arata Say 1824 ark | |
Costaglycymeris mixoni Ward 1992 clam | |
Lirophora vredenburgi Ward 1992 venus clam
Mercenaria druidi Ward 1992 quahog | |
"Spisula" rappahannockensis Gardner 1944 clam | |
Euloxa latisulcata clam | |
Astarte rappahannockensis Gardner 1943 clam
Astarte cobhamensis Ward 1992 clam | |
Dallarca carolinensis | |
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