Cobham Wharf, Mollusk Zone 6 (Pliocene of the United States)

Where: Surry County, Virginia (37.2° N, 76.8° W: paleocoordinates 37.2° N, 75.9° W)

• coordinate stated in text

When: Sunken Meadow Member (Yorktown Formation), Zanclean (5.3 - 3.6 Ma)

• Mollusk Zone 6

Environment/lithology: offshore; fine-grained, glauconitic, phosphatic, shelly/skeletal sandstone

• sand, shelly, fine, some sand-sized glauconite and phosphate. Cetacean bone concentrated in lower part. Large bivalves very abundant.

Size class: macrofossils

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: general faunal/floral analysis

PaleoDB collection 71620: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella pilsbryi Gardner 1928 turret shell
 Neogastropoda - Muricidae
Ecphora quadricostata Conrad 1830 murex snail
Bivalvia
 Pectinida - Pectinoidae
Placopecten clintonius Say 1824 scallop
Chesapecten jeffersonius Say 1824 scallop
 Ostreida - Ostreidae
Ostrea compressirostra Say 1824 oyster
subspecies compressirostra
 Arcida - Glycymerididae
 Carditida - Carditidae
Cyclocardia granulata Say 1824 clam
 Carditida - Astartidae
 Carditida - Crassatellidae
 Hiatellida - Hiatellidae
 Cardiida - Glossidae
Glossus fraterna Say 1824 clam
 Cardiida - Veneridae
 Pholadida - Teredinidae
Kuphus fistula Lea 1843 clam
 Lucinida - Lucinidae
Stewartia anodonta Say 1824 clam
Mammalia
 Placentalia -
Cetacea indet. Brisson 1762 whale