Horseshoe Bend, Bed 27: Meramecian, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Palaeocopida
- Paraparchitidae
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? Paraparchites sp.
Ulrich and Bassler 1906
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Strophomenata
- Productida
- Productidae
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Inflatia sp.
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Rhynchonellata
- Spiriferinida
- Punctospiriferidae
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Punctospirifer cf. transversa
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Rhynchonellata
- Spiriferinida
- Syringothyrididae
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Syringothyris cf. textus
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Anthracospirifer sp.
Lane 1963
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Cephalopoda
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Nautiloidea indet.
Agassiz 1847
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| nautiloids | ||||||||||
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Bivalvia
- Nuculanida
- Cucullellidae
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? Nuculites sp.
Conrad 1841
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Bivalvia
- Sanguinolitidae
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Wilkingia sp.
Wilson 1959
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Bivalvia
- Pectinida
- Aviculopectinidae
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Aviculopecten sp.
M'Coy 1851
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Crinoidea
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Crinoidea indet.
Miller 1821
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| crinoid stems | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Washington |
| Coordinates: | 36.7° North, 81.7° West (view map) | ||||
| Paleocoordinates: | 20.1° South, 30.1° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Visean | 10 m.y. bin: | Carboniferous 2 |
| *Period: | Early/Lower Carboniferous | *Epoch: | Visean |
| *International age/stage: | Holkerian - Asbian | *Local age/stage: | Late/Upper Meramecian |
| Key time interval: | Meramecian | ||
| Age range of interval: | 343.10000 - 335.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Little Valley | ||
| Local section: | Section B: Horsehoe Bend | Local bed: | 27 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray lithified "limestone" |
| Lithology description: limestone, gray, medium bedded, very fossiliferous. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7042 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Subset of collection #: | 6999 | ||
| Created: | 2000-04-20 17:33:41 | Last modified: | 2007-06-06 23:58:24 |
| Access level: | the public | Released: | 2000-11-20 13:53:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 437. | C. S., J.r. Bartlett and H. W. Webb. 1971. Geology of the Bristol and Wallace quadrangles, Virginia. Virginia Division of Mineral Resources Report of Investigations 25:1-93 [J. Alroy/M. Sommers/P. Wagner] |