TH-1, Thorn Hill [Nolichucky Fm]: Marjumian, Tennessee
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Eocrinoidea
- Ascocystitida
|
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| 3 specimens | ||||||||||
| only one complete specimen | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Tennessee | County: | Grainger |
| Coordinates: | 36.4° North, 83.4° West (view map) | ||||
| Paleocoordinates: | 10.1° North, 118.8° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| 10 m.y. bin: | Cambrian 4 | ||
| Key time interval: | Marjumian | Trilobite zone: | Cedaria |
| Age range of interval: | 504.5 - 497 m.y. ago |
Stratigraphy
| Formation: | Nolichucky |
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: olive green hard shale | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | MCZ |
Metadata
| Database number: | 90623 | ||
| Authorizer: | A. Lin | Enterer: | A. Lin | Research group: | marine invertebrate |
| Created: | 2009-08-11 10:14:53 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2009-08-11 10:14:53 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 22459. | J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283 [G. Webster/G. Webster/P. Wagner] |