Sohl 034: Maastrichtian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra costata
(Say 1820)
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original and current combination Exogyra (Exogyra) costata | ||||||||||
Exogyra costata Say | ||||||||||
Bivalvia
- Ostreida
- Flemingostreidae
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Agerostrea falcata
(Morton 1827)
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Ostrea falcata | ||||||||||
Bivalvia
- Pectinida
- Anomiidae
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Anomia argentaria
Morton 1833
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Anomia argentaria Morton | ||||||||||
Bivalvia
- Poromyida
- Poromyidae
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Cymella ? bella
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Cymella bella Conrad? | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
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Caestocorbula crassiplica
(Gabb 1860)
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Caesticorbula crassiplica (Gabb) | ||||||||||
Gastropoda
- Opisthobranchia
- Cylichnidae
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Cylichna incisa
Stephenson 1941
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1 specimen | |||||||||
Cylichna incisa Stephenson | ||||||||||
Gastropoda
- Eucyclidae
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Calliomphalus (Calliomphalus) americanus
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1 specimen | |||||||||
Calliomphalus (Calliomphalus) americanus Wade | ||||||||||
Cephalopoda
- Ammonitida
- Baculitidae
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Baculites sp.
Lamarck 1799
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Baculites sp. | ||||||||||
Cephalopoda
- Belemnitida
- Belemnitellidae
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Belemnitella sp.
d'Orbigny 1840
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Belemnitella sp. | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Mississippi | County: | Pontotoc |
Coordinates: | 34.2° North, 90.0° West (view map) | ||||
Paleocoordinates: | 38.2° North, 66.9° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
*Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
*International age/stage: | Middle Maastrichtian | ||
Key time interval: | Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Ripley |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | glauconitic,gray calcareous claystone |
Lithology description: Clay, gray (weathering tan), micaceous calcareous, glauconitic; cylindrical concretions with phosphatized interiors common. fossils are very fragile | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Collection methods and comments
Collection excludes: | all microfossils |
Reason for describing collection: | taxonomic analysis |
Collection method comments: USGS 25481: L.W. Stephenson and N. F. Sohl 1955 |
Metadata
Also known as: | Roadcut on E-facing slope of Muddy creek, Pontotoc Co., Miss. | ||
Database number: | 7599 | ||
Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
Modifier: | L. Eccles | Research group: | GCP,marine invertebrate |
Created: | 2000-07-18 12:00:01 | Last modified: | 2010-11-09 08:49:13 |
Access level: | the public | Released: | 2000-07-18 12:00:01 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
463. | N. F. Sohl. 1960. Archeogastropoda, Mesogastropoda and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff Formations. US Geological Survey Professional Paper 331:1-151 [M. Kosnik/M. Kosnik] |
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] |