Sohl and Koch OFR # 137: Late/Upper Maastrichtian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Scaphitidae
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Discoscaphites conradi
(Morton 1834)
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1 specimen | |||||||||
| Discoscaphites conradi (Morton) va | ||||||||||
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Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras dekayi
(Morton 1834)
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1 specimen | |||||||||
| Eutrephoceras dekayi (Morton) | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula (Plicatula) mullicaensis
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2 specimens | |||||||||
| Plicatula (Plicatula) mullicaensis | ||||||||||
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia (Scabrotrigonia) thoracica
(Morton 1834)
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1 specimen | |||||||||
| Pterotrigonia (Scabrotrigonia) tho | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Wilcox |
| Coordinates: | 32.1° North, 87.4° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 65.5° West | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Late/Upper Senonian |
| *International age/stage: | Middle - Late/Upper Maastrichtian | ||
| Key time interval: | Late/Upper Maastrichtian | Ammonoid zone: | Discoscaphites conradi |
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Prairie Bluff | Member: | lower | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Haustator bilira assemblage zone | |||||
Lithology and environment
| Primary lithology: | glauconitic,gray lithified silty,sandy lime mudstone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,original calcite |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collection method comments: Stephenson pub 1914 | |
Metadata
| Also known as: | Rocky Bluff; USGS # 6791 | ||
| Database number: | 4204 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | M. Clapham | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2017-07-04 19:22:20 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 283. | N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen] |
Secondary references:
| 29915 | J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa] |