USGS 15939, Sulphur Springs Hollow: Arnsbergian, Arkansas
collected by M. Gordon, R.A. Lewandowski 1955
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Bactritida
- Bactritidae
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Bactrites smithianus
Girty 1909
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Cephalopoda
- Pseudorthocerida
- Spyroceratidae
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Euloxoceras angustius
Gordon 1964
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Arkansas |
| Coordinates: | 35.8° North, 92.8° West (view map) | ||
| Paleocoordinates: | 10.8° South, 32.6° 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: | Arnsbergian | Ammonoid zone: | Eumorphoceras bisulcatum |
| Age range of interval: | 327.40000 - 324.00000 m.y. ago |
Stratigraphy
| Formation: | Imo | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Imo formation, lower part. | |||||
Lithology and environment
| Primary lithology: | lithified "shale" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | M. Gordon, R.A. Lewandowski | Collection dates: | 1955 |
Metadata
| Database number: | 157992 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2014-07-13 11:08:40 | Last modified: | 2014-07-13 11:08:40 |
| Access level: | the public | Released: | 2014-07-13 11:08:40 |
| 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] |