USGS Loc. 13783, Wamego Shale member, Zeandale LS formation: Noginskian, Kansas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Myalinida
- Myalinidae
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Myalina (Orthomyalina) subquadrata
(Shumard 1855)
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1 individual | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Elk |
| Coordinates: | 37.5° North, 96.4° West (view map) | ||||
| Paleocoordinates: | 0.4° South, 27.4° West (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Carboniferous | Epoch: | Pennsylvanian |
| Stage: | Gzhelian | 10 m.y. bin: | Carboniferous 5 |
| *Period: | Late/Upper Carboniferous | *Epoch: | Gzelian |
| *International age/stage: | Noginskian | ||
| Key time interval: | Noginskian | ||
| Age range of interval: | 276.8 - 264.9 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Zeandale Limestone | Member: | Wamego Shale | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Noginskian is equivalent to the Virgilian stage | |||||
Lithology and environment
| Primary lithology: | calcareous siltstone |
| Includes fossils? | Y |
| Lithology description: Shale, clayey to silty, calcareous shale in upper part contains pelecypods 2.8 ft from top; minute fossil fragments that are very likely ostracodes; very calcareous zone in the uppermost part overlies 0.4 ft bed of coal; a marl zone 1.0ft thick is present 5.3 ft below coal bed | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | USGS |
Metadata
| Database number: | 11532 | ||
| Authorizer: | A. Miller | Enterer: | C. Ferguson |
| Modifier: | C. Ferguson | Research group: | marine invertebrate |
| Created: | 2001-08-20 10:31:17 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2001-08-20 10:31:17 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 4157. | M. R. Mudge, E. L. Yochelson, R. C. Douglas, H. Duncan, H. L. Strimple, M. Gordon, Jr., and D. H. Dunkle. 1962. Stratigraphy and Paleontology of the Uppermost Pennsylvanian and Lowermost Permian Rocks in Kansas. United States Geological Survey Professional Paper 323:1-213 [A. Miller/C. Ferguson/P. Wagner] |