Sohl and Koch OFR # 24: Early/Lower Maastrichtian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cassiduloida
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Hardouinia sp.
d'Archiac and Haime 1853
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| corrected as Harduinia | ||||||||||
| Hardouinea sp. | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Veniella conradi
Morton 1833
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1 specimen | |||||||||
| Veniella conradi (Morton) | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Granocardium (Granocardium) kummeli
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1 specimen | |||||||||
| synonym of Trachycardium | ||||||||||
| Granocardium (Granocardium) kummel | ||||||||||
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Trachycardium eufaulensis
(Conrad 1860)
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1 specimen | |||||||||
| Trachycardium eufaulensis (Conrad) | ||||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella vadosa
Morton 1834
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3 specimens | |||||||||
| Crassatella vadosa vadosa Morton | ||||||||||
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia (Scabrotrigonia) eufaulensis
(Gabb 1860)
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1 specimen | |||||||||
| Pterotrigonia (Scabrotrigonia) euf | ||||||||||
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Bivalvia
- Mytilida
- Crenellidae
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Crenella serica
Conrad 1860
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1 specimen | |||||||||
| Crenella serica Conrad | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) argentaria
Morton 1833
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2 specimens | |||||||||
| Anomia (Anomia) argentaria Morton | ||||||||||
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Bivalvia
- Pectinida
- Entoliidae
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Syncyclonema simplicius
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1 specimen | |||||||||
| Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius" | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte vesicularis
(Lamarck 1806)
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3 specimens | |||||||||
| recombined as Pycnodonta vesicularis | ||||||||||
| Pycnodonte vesicularis Lamarck | ||||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris rotundata
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3 specimens | |||||||||
| Glycymeris rotundata (Gabb) | ||||||||||
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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: | 34.2° North, 89.0° West (view map) | ||||
| Paleocoordinates: | 37.8° 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: | lower | ||
| 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 silty sandstone | ||
| 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: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collection method comments: Sohl collection | |
Metadata
| Also known as: | Garrett Cr; USGS # 32319 | ||
| Database number: | 4115 | ||
| 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 19:04:30 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 281. | N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [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] |