Cliffield Formation, Ward Cove Limestone Member, Claypool Hill (upper part): Caradoc, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Strophomenata
- Orthotetida
- Triplesiidae
|
||||||||||
|
Oxoplecia holstonensis
Willard 1928
|
||||||||||
| Willard | ||||||||||
|
Strophomenata
- Strophomenida
- Sowerbyellidae
|
||||||||||
|
Sowerbyella cf. negrita
|
||||||||||
| (Willard) | ||||||||||
|
Sowerbyella delicatula
|
||||||||||
| (Butts) | ||||||||||
|
Trilobita
- Corynexochida
- Illaenidae
|
||||||||||
|
? Hyboaspis sp.
Raymond 1920
|
||||||||||
|
Trilobita
- Phacopida
- Pterygometopidae
|
||||||||||
|
Calliops cf. annulatus
(Raymond 1905)
|
||||||||||
| (Raymond) | ||||||||||
|
Trilobita
- Asaphida
- Asaphidae
|
||||||||||
|
? Homotelus sp.
Raymond 1920
|
||||||||||
| synonym of Isotelus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Tazewell |
| Coordinates: | 37.1° North, 81.8° West (view map) | ||||
| Paleocoordinates: | 29.5° 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: | Cliffield | Member: | Ward Cove Limestone | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Ashbyan or Whiterockian, Upper Nidulites Zone | |||||
Lithology and environment
| Primary lithology: | gray argillaceous "limestone" |
| Includes fossils? | Y |
| Lithology description: Limestone, gray, argillaceous, and shaly; may be nodular. | |
| 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: | 33529 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2003-08-01 19:49:22 | Last modified: | 2024-03-31 19:20:47 |
| Access level: | the public | Released: | 2003-08-01 19:49:22 |
| 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] |