PRI Loc. 1611 [Yorktown Fm]: Late/Upper Pliocene, Virginia
collected by Smith 1925
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Aequipecten eboreus
Conrad 1833
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1 specimen | ||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula spinosium
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3 specimens | ||||||
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Crucibulum (Dispotaea) constrictum
(Conrad 1842)
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1 specimen | ||||||
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Gastropoda
- Turritellidae
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Turritella alticostata
Conrad 1834
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6 specimens | ||||||
| recombined as Turritella (Turritella) alticostata | |||||||
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Gastropoda
- Neogastropoda
- Cancellariidae
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Trigonostoma sp.
Blainville 1827
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1 specimen | ||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fusinus sp.
Rafinesque 1815
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2 specimens | ||||||
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Lirosoma sulcosa
(Conrad 1830)
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1 specimen | ||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Ptychosalpinx fossulata
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1 specimen | ||||||
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Ptychosalpinx multirugata
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3 specimens | ||||||
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Ptychosalpinx laqueata
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3 specimens | ||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Scaphella sp.
Swainson 1832
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1 specimen | ||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Urosalpinx sp.
Stimpson 1865
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9 specimens | ||||||
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Ecphora quadricostata
(Conrad 1830)
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1 specimen | ||||||
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"Trophon" tetricus
(Conrad 1832)
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3 specimens | ||||||
| recombined as Boreotrophon tetricus | |||||||
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Gastropoda
- Neogastropoda
- Turridae
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Turridae indet.
Swainson 1840
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3 specimens | ||||||
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Gastropoda
- Trochidae
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Calliostoma philothropus
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3 specimens | ||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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1 specimen | ||||||
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Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia laevis
(Say 1824)
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6 specimens | ||||||
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Bivalvia
- Thraciida
- Thraciidae
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Thracia sp.
Blainville 1824
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1 specimen | ||||||
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Bivalvia
- Thraciida
- Myochamidae
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Myochama sp.
Stutchbury 1830
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1 specimen | ||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea reflexa
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3 specimens | ||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula inaequalis
Say 1824
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6 specimens | ||||||
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Bivalvia
- Cardiida
- Veneridae
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Agriopoma sayana
(Conrad 1833)
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4 specimens | ||||||
| synonym of Pitar morrhuanus | |||||||
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Chione cancellata
(Linnaeus 1767)
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1 specimen | ||||||
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Dosinia (Dosinidia) acetabulum
(Conrad 1832)
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11 specimens | ||||||
| recombined as Dosinia acetabulum | |||||||
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Bivalvia
- Cardiida
- Mactridae
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Mulinia congregata
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49 specimens | ||||||
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Bivalvia
- Carditida
- Astartidae
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Astarte sp.
Sowerby 1816
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1 specimen | ||||||
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Bivalvia
- Ostreida
- Ostreidae
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Conradostrea sculpturata
(Conrad 1840)
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3 specimens | ||||||
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Thecostraca
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Cirripedia indet.
Rafinesque 1816
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Isle of Wight |
| Coordinates: | 37.0° North, 76.6° West (view map) | ||||
| Paleocoordinates: | 37.1° North, 75.9° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
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 | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Yorktown Fm, which unconformably overlies regionally the Eastover Fm (Late Miocene), and is unconformably overlain regionally by the Chowan River Fm. It is unknown from which member of the Yorktown Formation that this collection is derived. AGE: Early to early-Late Pliocene on the basis of known age-range of the Yorktown Formation (Ward, 1992). STRATIGRAPHIC POSITION: From unknown position within the formation. | |||||
Lithology and environment
| Primary lithology: | medium,yellow unlithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Medium yellow sand. LITHIFICATION: Unlithified, on the basis of visual inspection of collection. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow marine siliciclastic environment. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection | ||
| Minimum sieve size: | 4.000 | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Museum repositories: | PRI | ||
| Collectors: | Smith | Collection dates: | 1925 |
| Collection method comments: COLLECTOR: B. Smith, 1925. 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: | 79245 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-02-28 20:43:45 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2009-02-28 20:43:45 |
| 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] |