Columbia West 1 (03CW5Sa): Mohawkian, Tennessee
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
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Crinoidea informal group A
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1 individual | |||||||||
Crinoidea informal group D
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1 individual | |||||||||
Stenolaemata
- Trepostomida
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Trepostomida informal sp. A
(Ulrich 1882)
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51 individuals | |||||||||
original and current combination Trepostomata | ||||||||||
massive bryozoan | ||||||||||
Trepostomida informal sp. C
(Ulrich 1882)
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62 individuals | |||||||||
original and current combination Trepostomata | ||||||||||
thick ramose bryozoan | ||||||||||
Rhynchonellata
- Atrypida
- Anazygidae
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Anazyga sp.
Davidson 1882
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1 individual | |||||||||
Rhynchonellata
- Orthida
- Plectorthidae
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Hebertella sp.
Hall and Clarke 1892
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7 individuals | |||||||||
Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Rostricellula sp.
Ulrich and Cooper 1942
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1 individual | |||||||||
Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina sp.
Hall and Clarke 1892
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5 individuals | |||||||||
Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira sp.
Whitfield 1886
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19 individuals | |||||||||
see common names |
Geography
Country: | United States | State/province: | Tennessee |
Coordinates: | 35.6° North, 87.1° West (view map) | ||
Paleocoordinates: | 27.7° South, 66.7° West | ||
Basis of coordinate: | unpublished field data | ||
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4-5 | ||
Key time interval: | Mohawkian | ||
Age range of interval: | 457.00000 - 451.10000 m.y. ago |
Stratigraphy
Formation: | Bigby-Cannon |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | shelly/skeletal packstone |
Secondary lithology: | calcareous "shale" |
Lithology description: nodular packstone interbedded with calcareous shale | |
Environment: | open shallow subtidal |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | observed (not collected) |
Reason for describing collection: | paleoecologic analysis |
Metadata
Database number: | 86087 | ||
Authorizer: | K. Layou | Enterer: | K. Layou | Research group: | marine invertebrate |
Created: | 2009-01-25 09:43:16 | Last modified: | 2009-01-25 11:43:16 |
Access level: | the public | Released: | 2009-01-25 09:43:16 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
28962. | K. M. Layou. 2009. Ecological restructuring after extinction: the Late Ordovician (Mohawkian) of the eastern United States. Palaios 24:118-128 [K. Layou/K. Layou] |