Catawba Collection 47: Mohawkian, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina alternata
(Conrad 1838)
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Plants 1977 | 1 individual | |||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella rugosa
(Meek 1873)
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Plants 1977 | 2 individuals | |||||
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Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira lebanonensis
Cooper 1956
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Plants 1977 | 7 individuals | |||||
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Stenolaemata
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Stenolaemata indet.
Borg 1926
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Plants 1977 | 100 individuals | |||||
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Gastropoda
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Gastropoda informal planispiral
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Plants 1977 | 32 individuals | |||||
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Trilobita
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Trilobita indet.
Walch 1771
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Plants 1977 | 2 individuals | |||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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Plants 1977 | 1 individual | |||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Virginia |
| Coordinates: | 37.4° North, 80.9° West (view map) | ||
| Paleocoordinates: | 29.7° South, 61.1° West | ||
| Basis of coordinate: | unpublished field data | ||
| Geographic resolution: | hand sample |
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: | Martinsburg | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Based on Kreisa (1980, VA Tech Ph.D. dissertation), probably Trenton equivalent | |||||
Lithology and environment
| Primary lithology: | grading,shelly/skeletal,gray lithified packstone |
| Secondary lithology: | lithified lime mudstone |
| Lithology description: Interbedded medium gray limestone (skeletal packstone and lime mudstone) with lesser shale; largely thin bedded, lensatic, with some graded bedding | |
| Environment: | deep subtidal shelf |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:Sowerbyella-Dalmanella community | |
Metadata
| Database number: | 85618 | ||
| Authorizer: | K. Layou | Enterer: | K. Layou |
| Modifier: | K. Layou | Research group: | marine invertebrate |
| Created: | 2009-01-12 13:29:58 | Last modified: | 2009-01-14 15:32:07 |
| Access level: | the public | Released: | 2009-01-12 13:29:58 |
| 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] |
Secondary references:
| 25782 | H. F. Plants. 1977. Paleoecology of the Martinsburg Formation at Catawba Mountain, Virginia. Virginia Polytechnic Institute, Blacksburg, VA [P. Novack-Gottshall/P. Hearn/P. Novack-Gottshall] |