MGS #102: Rupelian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia serica
(Conrad 1848)
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1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Nuculanida
- Nuculanidae
|
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Nuculana akidota
Dockery 1982
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3 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Nuculida
- Nuculidae
|
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Nucula vicksburgensis
Conrad 1848
|
2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Carditida
- Astartidae
|
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Astarte menthifontis n. sp.
Dockery 1982
|
50 individuals | |||||||||
C category | ||||||||||
Bivalvia
- Carditida
- Carditidae
|
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Venericardia carsonensis
Dall 1903
|
2 individuals | |||||||||
recombined as Venericardia (Rotundicardia) carsonensis | ||||||||||
R category | ||||||||||
Bivalvia
- Carditida
- Crassatellidae
|
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Crassatella mississippiensis
Conrad 1848
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6 individuals | |||||||||
recombined as Crassatella (Crassatella) mississippiensis | ||||||||||
R category | ||||||||||
Bivalvia
- Hiatellida
- Hiatellidae
|
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Panopea oblongata
Conrad 1848
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
|
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Corbula laqueata
Casey 1903
|
34 individuals | |||||||||
recombined as Varicorbula laqueata | ||||||||||
C category | ||||||||||
Corbula engonata
Conrad 1848
|
7 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Veneridae
|
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Chamelea mississippiensis
|
2 individuals | |||||||||
R category | ||||||||||
Pitar imitabilis
|
5 individuals | |||||||||
R category | ||||||||||
Ventricolaria ucuttana
|
1 individual | |||||||||
synonym of Globivenus | ||||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Tellina vicksburgensis
Conrad 1848
|
10 individuals | |||||||||
C category | ||||||||||
Bivalvia
- Cardiida
- Semelidae
|
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Semele mississippiensis
|
1 individual | |||||||||
R category | ||||||||||
Ervilia lamelloexteria n. sp.
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Cardiidae
|
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Agnocardia glebosum
(Conrad 1848)
|
1 individual | |||||||||
R category | ||||||||||
Nemocardium diversum
(Conrad 1848)
|
2 individuals | |||||||||
recombined as Nemocardium (Nemocardium) diversum | ||||||||||
R category | ||||||||||
Bivalvia
- Poromyida
- Verticordiidae
|
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Verticordia dalliana
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
|
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Lucina posteocurta n. sp.
Dockery 1982
|
2 individuals | |||||||||
R category | ||||||||||
Anodontia mississippiensis
(Conrad 1848)
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Mytilida
- Crenellidae
|
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Crenella fenestra
Dockery 1982
|
6 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Arcida
- Glycymerididae
|
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Glycymeris arctata
(Conrad 1848)
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2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Arcida
- Arcidae
|
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Scapharca lesueuri
(Dall 1848)
|
17 individuals | |||||||||
recombined as Cunearca lesueuri | ||||||||||
C category | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
|
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Eburneopecten subminutus
(Aldrich 1903)
|
1 individual | |||||||||
recombined as Eburneopecten (Eburneopecten) subminutus | ||||||||||
R category | ||||||||||
Pecten byramensis
|
A category | |||||||||
100+ valves collected | ||||||||||
Bivalvia
- Ostreida
- Pteriidae
|
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Pteria argentea
(Conrad 1848)
|
2 individuals | |||||||||
R category | ||||||||||
unclassified
|
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Tellina lintea
Conrad 1837
|
2 individuals | |||||||||
synonym of Tellina (Merisca) aequistriata | ||||||||||
R category | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Mississippi | County: | Hinds |
Coordinates: | 32.2° North, 90.2° West (view map) | ||||
Paleocoordinates: | 32.5° North, 83.7° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
*Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Oligocene |
*International age/stage: | Early/Lower Rupelian - Early/Lower Rupelian | ||
Key time interval: | Rupelian | ||
Age range of interval: | 33.90000 - 27.82000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Byram | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: The Byram Formation consists of Fossiliferous, clayey sands. Its macrofauna is dominated by bivalves. |
Lithology and environment
Primary lithology: | poorly lithified sandy,calcareous claystone | ||
Secondary lithology: | sandstone | ||
Includes fossils? | Y | ||
Includes fossils? | Y | ||
Environment: | offshore | Tectonic setting: | passive margin |
Taphonomy
Modes of preservation: | body,original aragonite,original calcite |
Size of fossils: | mesofossils |
Collection methods and comments
Collection excludes: | all microfossils,some macrofossils,difficult macrofossils |
Collection methods: | bulk,mechanical,field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: Bivalves only. | |
Taxonomic list comments:List uses catagories, for example, R = rare...1 - 9 valves collected. C = common...10 - 99 valves collected. A = abundant...100+ valves collected.
Categories are listed in the comments field, absolute abundances are given in the abundance field. Since taxa with greater than 99 specimens were not counted with absolute abundances, these were reported with category "A" for abundant. |
Metadata
Database number: | 6004 | ||
Authorizer: | L. Ivany | Enterer: | S. DeLong |
Modifier: | J. Sessa | Research group: | GCP,marine invertebrate |
Created: | 2000-01-13 18:03:08 | Last modified: | 2010-08-06 11:02:55 |
Access level: | the public | Released: | 2000-01-13 18:03:08 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
323. | D. T. Dockery. 1982. Lower Oligocene Bivalvia of the Vicksburg Group in Mississippi. Mississippi Department of Natural Resources Bureau of Geology 123:1-261 [L. Ivany/S. DeLong/M. Uhen] |