YPM Loc. A-4603 [Norfolk Mbr, Acredale Fm] (Pleistocene of the United States)

Also known as LD-5

Where: Chesapeake County, Virginia (36.7° N, 76.3° W: paleocoordinates 36.7° N, 76.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Norfolk Member (Acredale Formation), Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From Norfolk Mbr, middle member of the Acredale Fm, between the Great Bridge and Kempsville Mbrs. AGE: Late Pleistocene according to Spencer and Campbell (1987). STRATIGRAPHIC POSITION: Unknown position within member.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, medium, shelly/skeletal sandstone

• ENVIRONMENT: Shallow-marine, siliciclastic environment.
• SPECIFIC LITHOLOGY: Fine-medium sandstone, shelly. LITHIFICATION: Unlithified, based on observation of specimens.

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the YPM

Collection methods: bulk, sieve,

• COLLECTOR: Unknown collector. REPOSITORY: YPM.

Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 69049: authorized by Austin Hendy, entered by Austin Hendy on 15.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• TAXONOMY: Identified by A. Hendy; nomenclature based on revision of Spencer and Campbell (1987) [PBDB Ref# 15525].
Bivalvia
 Carditida - Carditidae
Pleuromeris tridentata Say 1826 clam
also 4 framents
 Cardiida - Veneridae
Mercenaria campechiensis Gmelin 1791 quahog
 Cardiida - Mactridae
Mulinia lateralis Say 1822 clam
also 27 fragments
Rangia cuneata Sowerby 1831 clam
 Solenida - Pharidae
Ensis directus Conrad 1844 clam
 Ostreida - Ostreidae
Crassostrea virginica Gmelin 1791 oyster
 Arcida - Arcidae
Gastropoda
 Neogastropoda - Nassariidae
Ilyanassa trivittata Say 1822 snail
also 1 fragment
 Neogastropoda - Columbellidae
Astyris lunata Say 1826 snail
 Neogastropoda - Terebridae
Terebra sp. Bruguière 1789 auger snail
1 fragment
 Neogastropoda - Muricidae
Eupleura caudata Say 1822 murex snail
 Neogastropoda - Marginellidae
Prunum roscidum Redfield 1860 margin shell
 Neogastropoda - Olividae
Olivella mutica Say 1822 olive snail
also 5 fragments
 Sorbeoconcha - Naticidae
Neverita duplicatus Say 1822 moon snail
 Neotaenioglossa - Calyptraeidae
Crepidula convexa Say 1822 slipper shell
 Opisthobranchia - Retusidae
Retusa obtusa Montagu 1808 snail
5 fragments