PRI Loc. 1634 (sample 25, replicate A) [Mogarts Mbr, Yorktown Fm]: Late/Upper Pliocene, Virginia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Dentaliida - Dentaliidae
Dentalium alternatum
11 specimens
Gastropoda
Gastropoda indet. Cuvier 1795
1 specimen
Gastropoda - Turritellidae
Turritella pilsbryi Gardner 1928
7 specimens
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula spinosa Conrad 1843
9 specimens
synonym of Bostrycapulus aculeatus
Gastropoda - Naticidae
Euspira heros (Say 1822)
3 specimens
Bivalvia
Bivalvia indet. Linnaeus 1758
4 specimens
Bivalvia - Pectinida - Pectinidae
Chlamys decemaria
1 specimen
Chesapecten jeffersonius (Say 1824)
17 specimens
Placopecten clintonius (Say 1824)
1 specimen
Bivalvia - Ostreida - Ostreidae
Conradostrea sculpturata (Conrad 1840)
9 specimens
Bivalvia - Arcida - Glycymerididae
Costaglycymeris subovata (Say 1824)
2 specimens
Bivalvia - Cardiida - Cardiidae
Chesacardium acutilaqueatum (Conrad 1839)
1 specimen
Bivalvia - Cardiida - Solecurtidae
Tagelus sp. Gray 1847
1 specimen
Bivalvia - Cardiida - Psammobiidae
Gari sp. Schumacher 1817
2 specimens
Bivalvia - Cardiida - Chamidae
Chama congregata Conrad 1833
2 specimens
Bivalvia - Cardiida - Veneridae
Lirophora latilirata (Conrad 1841)
1 specimen
recombined as Lirophora (Lirophora) latilirata
Bivalvia - Cardiida - Mactridae
Mulinia congesta (Conrad 1833)
2 specimens
Bivalvia - Pholadida - Corbulidae
Caryocorbula inaequalis (Say 1824)
6 specimens
original and current combination Corbula inaequalis
Bivalvia - Lucinida - Lucinidae
Divalinga quadrisulcata (d'Orbigny 1846)
1 specimen
Stewartia anodonta (Say 1824)
4 specimens
Bivalvia - Carditida - Crassatellidae
Marvacrassatella undulatus
9 specimens
Bivalvia - Carditida - Carditidae
Cyclocardia granulata (Say 1824)
66 specimens
Bivalvia - Carditida - Astartidae
Astarte sp. Sowerby 1816
2 specimens
see common names

Geography
Country:United States State/province:Virginia County:James City
Coordinates: 37.2° North, 76.7° West (view map)
Paleocoordinates:37.3° North, 76.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Neogene Epoch:Pliocene
Stage:Piacenzian 10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pliocene
Age range of interval:3.60000 - 2.58000 m.y. ago
Stratigraphy
Formation:Yorktown Member:Morgarts Beach
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Morgarts Beach Mbr of the Yorktown Fm. AGE: Late Pliocene. STRATIGRAPHIC POSITION: "Gray layer in lower part of bank".
Lithology and environment
Primary lithology:shelly/skeletal poorly lithified silty sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Silty sandstone, shelly. LITHIFICATION: Poorly-lithified, based on observation of specimens.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow-marine, restricted/sheltered, fine-grained siliciclastic environment.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:bulk,sieve,field collection
Minimum sieve size:4.000
Reason for describing collection:paleoecologic analysis
Museum repositories:PRI
Collection method comments: COLLECTOR: Unknown collector (possibly E.R. Smith). REPOSITORY: PRI, Ithaca.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda, bivalvia and other macroinvertebrates. NOMENCLATURE: Lists, counts, and identifications compiled by A. Hendy, in reference to Glenn (1904), Martin (1904), Gardner (1947), Ward (1992), and Ward and Gillinsky (1993).
Metadata
Database number:79247
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2008-02-28 20:48:40 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2009-02-28 20:48:40
Creative Commons license:CC BY
Reference information

Primary reference:
19909. 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]