Sohl and Koch OFR # 23: Early/Lower Maastrichtian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
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Echinoidea indet.
(Leske 1778)
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| Echinoid sp. - originally entered as "Echinoidea sp." | ||||||||||
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Polychaeta
- Serpulimorpha
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Hamulus squamosus
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| Hamulus squamosus Gabb | ||||||||||
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Hamulus onyx
Morton 1834
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| Hamulus onyx Morton | ||||||||||
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Bivalvia
- Mytilida
- Crenellidae
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Crenella serica
Conrad 1860
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33 specimens | |||||||||
| Crenella serica Conrad | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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| Ostrea sp. | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra costata
(Say 1820)
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3 specimens | |||||||||
| original and current combination Exogyra (Exogyra) costata | ||||||||||
| Exogyra costata Say | ||||||||||
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Pycnodonte sp.
(Fischer von Waldheim 1835)
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1 specimen | |||||||||
| Pycnodonte sp. | ||||||||||
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Bivalvia
- Pectinida
- Entoliidae
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Syncyclonema simplicius
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8 specimens | |||||||||
| Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius" | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) sp.
Meek 1864
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1 specimen | |||||||||
| Camptonectes (Comptonectes) sp. | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) argentaria
Morton 1833
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17 specimens | |||||||||
| Anomia (Anomia) argentaria Morton | ||||||||||
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Bivalvia
- Pectinida
- Limidae
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Lima (Lima) reticulata
Forbes 1845
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19 specimens | |||||||||
| recombined as Pseudolimea reticulata | ||||||||||
| Lima (Lima) reticulata Lyell & For | ||||||||||
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Lima (Lima) acutilineata
Conrad 1858
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1 specimen | |||||||||
| recombined as Limatula acutilineata | ||||||||||
| Lima (Lima) acutilineata Conrad | ||||||||||
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia (Scabrotrigonia) eufaulensis
(Gabb 1860)
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2 specimens | |||||||||
| Pterotrigonia (Scabrotrigonia) euf | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Trachycardium eufaulensis
(Conrad 1860)
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2 specimens | |||||||||
| Trachycardium eufaulensis (Conrad) | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Veniella conradi
Morton 1833
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3 specimens | |||||||||
| Veniella conradi (Morton) | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Caestocorbula (Caesticorbula) crassaplica
Vincent 1910
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1 specimen | |||||||||
| Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica" | ||||||||||
| 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 | ||||
| Stratigraphic resolution: | formation | ||||
| 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,gray lithified 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 # 32318 | ||
| Database number: | 4114 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | M. Manojlovic | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2016-07-25 19:01:55 |
| 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] |