Tumbling Run Sample 4: Ashbyan - Blackriveran, Virginia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Orthida
- Dalmanellidae
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Paucicrura sp.
Cooper 1956
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9 individuals | ||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella sp.
Jones 1928
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18 individuals | ||||||
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Eoplectodonta sp.
Kozlowski 1929
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1 individual | ||||||
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Strophomenata
- Orthotetida
- Triplesiidae
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Oxoplecia sp.
Wilson 1913
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2 individuals | ||||||
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Inarticulata
- Inarticulata
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Inarticulata indet.
Huxley 1869
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1 individual | ||||||
| invalid subgroup of Brachiopoda | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Shenandoah |
| Coordinates: | 39.0° North, 78.4° West (view map) | ||||
| Paleocoordinates: | 29.6° South, 58.2° West | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| *Period: | Middle Ordovician - Late/Upper Ordovician | *Epoch: | Caradoc | *Local age/stage: | Ashbyan - Blackriveran |
| Key time interval: | Ashbyan - Blackriveran | ||
| Age range of interval: | 457.00000 - 449.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Edinburg |
Lithology and environment
| Primary lithology: | lime mudstone | ||
| Secondary lithology: | wackestone | ||
| Environment: | offshore ramp | Tectonic setting: | foreland basin |
| Geology comments: Lantz Mills and Liberty Hall facies | |||
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Collection size: | 31 specimens |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | 89-TR-4 | ||
| Database number: | 6345 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Straub | Research group: | marine invertebrate |
| Created: | 2000-02-28 13:52:25 | Last modified: | 2003-07-18 18:05:03 |
| Access level: | the public | Released: | 2001-04-18 12:04:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 401. | M. E. Patzkowsky. 1995. Gradient analysis of Middle Ordovician brachiopod biofacies: Biostratigraphic, biogeographic, and Macroevolutionary Implications. Palaios 10(2):154-179 [M. Patzkowsky/K. Straub] |