USGS 14392, East (Sequoyah) Mountain: Pendleian, Arkansas
collected by J.N. Payne, R.E. Baker
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Nautilida
- Koninckioceratidae
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Endolobus ornatus
Girty 1911
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| recombined as Valhallites ornatus | |||||||
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Cephalopoda
- Goniatitida
- Girtyoceratidae
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Eumorphoceras milleri
Gordon 1964
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Cephalopoda
- Goniatitida
- Glaphyritidae
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Cravenoceras fayettevillae
Gordon 1964
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| recombined as Glaphyrites fayettevillae | |||||||
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Paracravenoceras ozarkense
Gordon 1960
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Cephalopoda
- Orthocerida
- Brachycycloceratidae
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Brachycycloceras washingtonense
Gordon 1964
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Arkansas | County: | Washington |
| Coordinates: | 36.1° North, 94.1° West (view map) | ||||
| Paleocoordinates: | 10.0° South, 33.3° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Serpukhovian | 10 m.y. bin: | Carboniferous 3 |
| Key time interval: | Pendleian | Ammonoid zone: | Eumorphoceras milleri |
| Age range of interval: | 330.90000 - 327.40000 m.y. ago |
Stratigraphy
| Formation: | Fayetteville | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Fayetteville shale, 3-ft zone about 40 ft stratigraphically below base of Wedington sandstone member. | |||||
Lithology and environment
| Primary lithology: | concretionary,ferruginous lithified "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Collectors: | J.N. Payne, R.E. Baker |
Metadata
| Database number: | 157936 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-07-11 12:46:43 | Last modified: | 2014-07-11 14:12:36 |
| Access level: | the public | Released: | 2015-01-11 12:46:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11419. | M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322 [J. Alroy/C. Simpson/M. Clapham] |