Sohl and Koch OFR # 38: Early/Lower Maastrichtian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea
- Cassiduloida
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Hardouinia aff. mortonis
(Michelin 1850)
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Hardouinea aff. H. mortonis (Miche - originally entered as "Hardouinia aff. mortonis" | ||||||||||
Gastropoda
- Epitoniidae
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Striaticostatum harbisoni
Sohl 1963
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6 specimens | |||||||||
Striaticostatum harbisoni Sohl | ||||||||||
Gastropoda
- Neogastropoda
- Pyropsidae
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Pyropsis sp.
(Conrad 1860)
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Pyropsis spp. | ||||||||||
Gastropoda
- Neogastropoda
- Turbinellidae
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Napulus fragilis
Sohl 1964
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Napulus fragilis Sohl | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Linearia metastriata
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1 specimen | |||||||||
original and current combination Linearis | ||||||||||
Linearia metastriata Conrad | ||||||||||
Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte vesicularis
(Lamarck 1806)
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1 specimen | |||||||||
recombined as Pycnodonta vesicularis | ||||||||||
Pycnodonte vesicularis Lamarck | ||||||||||
Exogyra costata
(Say 1820)
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4 specimens | |||||||||
original and current combination Exogyra (Exogyra) costata | ||||||||||
Exogyra costata Say | ||||||||||
Bivalvia
- Pectinida
- Limidae
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Lima (Lima) sp.
Bruguiére 1796
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1 specimen | |||||||||
Lima (Lima) sp. | ||||||||||
Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) argentaria
Morton 1833
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2 specimens | |||||||||
Anomia (Anomia) argentaria Morton | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) bubonis
(Stephenson 1941)
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1 specimen | |||||||||
Camptonectes (Camptonectes) bubonis ( | ||||||||||
Pecten sp.
Müller 1776
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4 specimens | |||||||||
Pecten sp. | ||||||||||
Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras perlata
(Morton 1834)
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recombined as Eutrephoceras perlatus | ||||||||||
Eutrephoceras perlata Morton | ||||||||||
unclassified
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Bryozoa indet.
Ehrenberg 1831
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Bryozoa (encrusting) | ||||||||||
Malacostraca
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Malacostraca indet.
(Latreille 1802)
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Crab parts | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Mississippi | County: | Pontotoc |
Coordinates: | 34.3° North, 89.0° West (view map) | ||||
Paleocoordinates: | 37.9° North, 66.4° West | ||||
Geographic resolution: | small collection |
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: | Early/Lower Maastrichtian | Foram zone: | Gansserina gansseri |
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Chiwapa | Member: | upper | ||
Stratigraphic resolution: | member | ||||
Stratigraphy comments: No forams have been recovered from this unit, it is assigned to the Gansserina gansseri zone by Mancini et al. (1996) by sequence stratigraphy and the biostratigraphy of surrounding units. Haustator bilira assemblage zone. |
Lithology and environment
Primary lithology: | glauconitic lithified calcareous sandstone | ||
Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
Modes of preservation: | body,original calcite |
Size of fossils: | mesofossils |
Collection methods and comments
Collection methods: | bulk,field collection |
Reason for describing collection: | paleoecologic analysis |
Museum repositories: | USGS |
Collection method comments: Sohl collection |
Metadata
Also known as: | E Pontotoc; USGS # 25418 | ||
Database number: | 4120 | ||
Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
Created: | 1999-08-14 13:00:00 | Last modified: | 2010-07-26 15:59:29 |
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] |