Pamunkey River - at Horseshoe, Mollusk Zone 14 (Miocene of the United States)

Where: Hanover County, Virginia (37.7° N, 77.1° W: paleocoordinates 37.9° N, 72.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Old Church Formation (Chesapeake Group), Early/Lower Miocene (23.0 - 16.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, glauconitic, gray, green, argillaceous sandstone

• sand, grayish olive, clayey, poorly sorted

Size classes: macrofossils, microfossils

Preservation: mold/impression

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 71653: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Pecten seabeensis Richards 1947 scallop
 Cardiida - Veneridae
Mercenaria capax Conrad 1843 quahog
 Hiatellida - Hiatellidae
Panopea sp. Menard 1807 clam
 Lucinida - Lucinidae
Lucina sp. Bruguière 1797 clam