TX 7515-Young Co., Texas: Virgilian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Orthotetida
- Derbyiidae
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Derbyia crassa
(Meek and Hayden 1858)
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Strophomenata
- Productida
- Linoproductidae
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Linoproductus prattenianus
(Norwood and Pratten 1855)
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Strophomenata
- Productida
- Echinoconchidae
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Juresania nebrascensis
(Owen 1852)
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| recombined as Parajuresania nebrascensis | ||||||||||
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Rhynchonellata
- Spiriferida
- Trigonotretidae
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Neospirifer triplicatus
(Hall 1852)
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| replaced by Neospirifer dunbari | ||||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Composita subtilita
(Hall 1852)
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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| "sp. A" - originally entered as "Orbiculoidea sp. A" | ||||||||||
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Orbiculoidea sp.
d'Orbigny 1847
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| "sp. B" - originally entered as "Orbiculoidea sp. B" | ||||||||||
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Bivalvia
- Myalinida
- Myalinidae
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Orthomyalina subquadrata
(Shumard 1855)
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Bivalvia
- Pectinida
- Aviculopectinidae
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Aviculopecten texanus
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Young |
| Coordinates: | 33.1° North, 98.6° West (view map) | ||||
| Paleocoordinates: | 5.7° South, 32.8° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Carboniferous | Epoch: | Pennsylvanian |
| Stage: | Gzhelian | 10 m.y. bin: | Carboniferous 5 |
| Key time interval: | Virgilian | ||
| Age range of interval: | 303.70000 - 298.90000 m.y. ago |
Stratigraphy
| Formation: | Graham | ||||
| Stratigraphy comments: "dirty yellow" limestone 22 feet below Bunger limestone member |
Lithology and environment
| Primary lithology: | argillaceous "carbonate" |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:age assignment based on formation name | |
Metadata
| Database number: | 1082 | ||
| Authorizer: | T. Olszewski, M. Patzkowsky | Enterer: | T. Olszewski |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 1999-03-11 17:58:56 | Last modified: | 2005-05-10 13:41:04 |
| Access level: | the public | Released: | 2000-11-20 13:53:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34. | W. Lee, C.O. Nickell, J.S. Williams and L.G. Henbest. 1938. Stratigraphic and Paleontologic Studies of the Pennsylvanian and Permian Rocks in North-Central Texas. The University of Texas Publication 3801:1-252 [M. Patzkowsky/M. Patzkowsky/P. Wagner] |