Station 2244a [Moore House Mbr, Yorktown Fm] (Pliocene of the United States)

Where: York County, Virginia (37.2° N, 76.5° W: paleocoordinates 37.3° N, 75.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Moore House Member (Yorktown Formation), Late/Upper Pliocene (3.6 - 2.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Moore House Mbr of the Yorktown Fm, which unconformably overlies regionally the Morgarts Beach and Rushmere Mbrs of the Yorkown Fm, and is unconformably overlain regionally by the Chowan River Fm. AGE: Late Pliocene according to Ward (1993). STRATIGRAPHIC POSITION: From unknown position in member.

• bed-level stratigraphic resolution

Environment/lithology: coastal; siliciclastic sediments

• ENVIRONMENT: Not stated in text, but appears to be relatively shallow shelf depths.
• SPECIFIC LITHOLOGY: Unknown, but presumably siliciclastic. LITHIFICATION: Unknown.

Size class: macrofossils

Collected by Harris in 1890; reposited in the UNSM

Collection methods: surface (in situ),

• COLLECTOR: G.D. Harris, 1890. REPOSITORY: USNM.

Primary reference: L. W. Ward. 1993. The G.D Harris 1890 manuscript on the stratigraphy of Miocene and Pliocene beds at Yorktown, Virginia. Paleontological Research Institute Special Publication 20:1-118 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 78260: authorized by Austin Hendy, entered by Austin Hendy on 31.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not exhaustive (as commented by Ward 1993, p. 3), but includes fairly comprehensive lists of characteristic gastropods and bivalves. NOMENCLATURE: Lists compiled by R. Arnold, based on identifications by Harris, with nomenclature subsequently revised by Ward to a modern standard, with species-resolution assignments.
Bivalvia
 Ostreida - Ostreidae
Conradostrea sculpturata Conrad 1840 oyster
 Cardiida - Cardiidae
Chesacardium acutilaqueatum Conrad 1839 cockle
Gastropoda
 Vanikoroidea - Eulimidae
Eulima sp. Risso 1826 snail
 Cerithioidea - Turritellidae
"Turritella alticostata" = Turritella (Turritella) alticostata
"Turritella alticostata" = Turritella (Turritella) alticostata Conrad 1834 turret shell
 Neotaenioglossa - Calyptraeidae
"Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum, "Crepidula spinosa" = Bostrycapulus aculeatus
"Crucibulum constrictum" = Crucibulum (Dispotaea) constrictum Conrad 1842 slipper shell
"Crepidula spinosa" = Bostrycapulus aculeatus Gmelin 1791 slipper shell
 Epitonioidea - Epitoniidae
Epitonium sp. Bolten 1798 wentletrap
 Neogastropoda - Fasciolariidae
 Neogastropoda - Columbellidae
 Neogastropoda - Olividae
Oliva canaliculata olive snail
 Sorbeoconcha - Naticidae
"Lunatia heros" = Euspira heros
"Lunatia heros" = Euspira heros Say 1822 moon snail
 Opisthobranchia - Cylichnidae
Thecostraca
 Balanomorpha - Balanidae
Balanus sp. Da Costa 1778 barnacle