Wardell Formation, Little River Valley, Stromatocerium beds: Caradoc, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stromatoporoidea
- Labechiida
- Stromatoceriidae
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Stromatocerium rugosum
Hall 1847
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| Hall | ||||||||||
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Demospongiae
- Sigmatosclerophorida
- Dystactospongiidae
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Dystactospongia sp.
Miller 1882
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Anthozoa
- Lichenariida
- Lichenariidae
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Lichenaria carterensis
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| (Safford) | ||||||||||
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Anthozoa
- Stauriida
- Columnariidae
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Columnaria halli
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| Nicholson | ||||||||||
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Rhombifera
- Cheirocrinidae
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Cheirocrinus ? angulatus
Wood 1909
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| recombined as Coronocystis angulatus | ||||||||||
| Wood | ||||||||||
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Crinoidea
- Diplobathrida
- Cleiocrinidae
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Cleiocrinus cf. tessellatus
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| (Troost) | ||||||||||
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Crinoidea
- Diplobathrida
- Rhodocrinitidae
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Diabolocrinus sp.
Wachsmuth and Springer 1897
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Crinoidea
- Porocrinida
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Carabocrinus sp.
Billings 1857
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Stenolaemata
- Trepostomata
- Trematoporidae
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Batostoma cf. sevieri
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| Bassler | ||||||||||
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Pachydictya robusta
Ulrich 1882
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| Ulrich | ||||||||||
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Chlorophyceae
- Receptaculitidae
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Receptaculites sp.
Defrance 1827
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Rhodophyceae
- Solenoporaceae
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Solenopora compacta
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| (Billings) | ||||||||||
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Hormogoneae
- Oscillatoriales
- Girvanellaceae
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Girvanella sp.
Nicholson and Etheridge 1878
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Tazewell |
| Coordinates: | 37.0° North, 81.7° West (view map) | ||||
| Paleocoordinates: | 29.6° South, 62.0° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Caradoc | ||
| Age range of interval: | 458.40000 - 449.60000 m.y. ago |
Stratigraphy
| Formation: | Wardell | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Blackriveran, Stromatocerium rugosum beds | |||||
Lithology and environment
| Primary lithology: | "cross stratification",coarse,gray argillaceous "limestone" |
| Includes fossils? | Y |
| Lithology description: light- to medium-gray coarse0grained clastic limestones; some are pinkish and cross-laminated; the darker beds are argillaceous and disintegrate into a rubble of shell fragments. | |
| Environment: | carbonate indet. |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 34243 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2003-08-22 12:42:55 | Last modified: | 2024-03-31 19:20:47 |
| Access level: | the public | Released: | 2003-08-22 12:42:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 8880. | B. N. Cooper and C. E. Prouty. 1943. Stratigraphy of the Lower Middle Ordovician of Tazewell County, Virginia. Bulletin of the Geological Society of America 54:819-886 [S. Holland/T. Hanson/T. Hanson] |