Catawba Collection 17: Mohawkian, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
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Crinoidea (informal group 1) indet.
Miller 1821
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Plants 1977 | 20 individuals | ||||||||
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Craniata
- Craniopsida
- Craniopsidae
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Craniops sp.
Hall 1859
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Plants 1977 | 1 individual | ||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina alternata
(Conrad 1838)
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Plants 1977 | 2 individuals | ||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella bassleri
Foerste 1909
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Plants 1977 | 22 individuals | ||||||||
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Stenolaemata
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Stenolaemata indet.
Borg 1926
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Plants 1977 | 7 individuals | ||||||||
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Prasopora sp.
Nicholson and Etheridge 1877
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Plants 1977 | 3 individuals | ||||||||
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Gastropoda
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Gastropoda informal planispiral
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Plants 1977 | 15 individuals | ||||||||
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Gastropoda
- Bellerophontida
- Bucaniidae
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Bucania sp.
Hall 1847
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Plants 1977 | 1 individual | ||||||||
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Bivalvia
- Solemyida
- Ctenodontidae
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Ctenodonta pulchella
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Plants 1977 | 2 individuals | ||||||||
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Bivalvia
- Modiomorphida
- Allodesmatidae
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Ischyrodonta sp.
Ulrich 1890
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Plants 1977 | 1 individual | ||||||||
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Trilobita
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Trilobita indet.
Walch 1771
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Plants 1977 | 1 individual | ||||||||
| "Unidentified trilobite fragments" | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Isotelus sp.
Dekay 1824
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Plants 1977 | 2 individuals | ||||||||
| 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: | gray lithified silty,calcareous "shale" |
| Secondary lithology: | siltstone |
| Lithology description: Poorly exposed; calcareous, light olive gray silty shale, siltstone, and some sandstone, thin to very thin bedded | |
| 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:Dalmanella community | |
Metadata
| Database number: | 85588 | ||
| Authorizer: | K. Layou | Enterer: | K. Layou |
| Modifier: | K. Layou | Research group: | marine invertebrate |
| Created: | 2009-01-12 11:26:24 | Last modified: | 2009-01-14 15:05:42 |
| Access level: | the public | Released: | 2009-01-12 11:26:24 |
| 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] |