MGS Loc. 100a - Cleary [Mint Spring Fm]: Rupelian, Mississippi
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Amonia microstriata n. sp.
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10 individuals | |||||||||
C category | ||||||||||
Mytea vicksburgensis
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A category | |||||||||
100+ valves collected | ||||||||||
Gastropoda
- Cerithiidae
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Semivertagus menthafontis n. sp.
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MacNeil and Dockery 1984 | |||||||||
spelled with current rank as Clava (Semivertagus) | ||||||||||
Gastropoda
- Vermetidae
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Serpulorbis sp.
Sasso 1827
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MacNeil and Dockery 1984 | |||||||||
Bivalvia
- Arcida
- Arcidae
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Barbatia mississippiensis
(Conrad 1848)
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1 individual | |||||||||
recombined as Barbatia (Cucullaearca) mississippiensis | ||||||||||
R category | ||||||||||
Scapharca delicatula
(Casey 1903)
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73 individuals | |||||||||
C category | ||||||||||
Bivalvia
- Arcida
- Glycymerididae
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Glycymeris arctata
(Conrad 1848)
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11 individuals | |||||||||
C category | ||||||||||
Glycymeris suwannensis
Mansfield 1937
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3 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Pectinida
- Limidae
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Limaria staminea
(Conrad 1848)
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1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Pectinida
- Pectinidae
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Chlamys menthifontis
Glawe 1970
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A category | |||||||||
recombined as Chlamys (Lyropecten) menthifontis | ||||||||||
100+ valves collected | ||||||||||
Eburneopecten subminutus
(Aldrich 1903)
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28 individuals | |||||||||
recombined as Eburneopecten (Eburneopecten) subminutus | ||||||||||
C category | ||||||||||
Pecten poulsoni
Morton 1834
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A category | |||||||||
recombined as Pecten (Pecten) poulsoni | ||||||||||
100+ valves collected | ||||||||||
Bivalvia
- Ostreida
- Pteriidae
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Pteria argentea
(Conrad 1848)
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4 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Ostreida
- Pinnidae
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Atrina argentea
(Conrad 1848)
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6 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Ostreida
- Ostreidae
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Lopha vicksburgensis
(Conrad 1848)
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2 individuals | |||||||||
R category | ||||||||||
Ostrea paroxis
Lesueur 1829
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4 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Mytilida
- Crenellidae
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Crenella fenestra n. sp.
Dockery 1982
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4 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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Lucina imbricolamella n. sp.
Dockery 1982
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20 individuals | |||||||||
C category | ||||||||||
Divaricella subrigaultiana
(Meyer 1886)
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3 individuals | |||||||||
recombined as Divaricella (Divalinga) subrigaultiana | ||||||||||
R category | ||||||||||
Lucina posteocurta n. sp.
Dockery 1982
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40 individuals | |||||||||
C category | ||||||||||
Anodontia mississippiensis
(Conrad 1848)
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A category | |||||||||
100+ valves collected | ||||||||||
Lucina fimbripallium n. sp.
Dockery 1982
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1 individual | |||||||||
R category | ||||||||||
Lucina varisculpta n. sp.
Dockery 1982
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13 individuals | |||||||||
C category | ||||||||||
Lucina choctavensis
Meyer 1886
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12 individuals | |||||||||
recombined as Lucina (Callucina) choctavensis | ||||||||||
C category | ||||||||||
Bivalvia
- Poromyida
- Cuspidariidae
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Plectodon intastriata
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2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Poromyida
- Verticordiidae
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Verticordia dalliana
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4 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Pholadida
- Pholadidae
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Jouannetia triquetra
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
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Corbula engonata
Conrad 1848
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78 individuals | |||||||||
C category | ||||||||||
Corbula laqueata
Casey 1903
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A category | |||||||||
recombined as Varicorbula laqueata | ||||||||||
100+ valves collected | ||||||||||
Tiza alta
|
13 individuals | |||||||||
C category | ||||||||||
Bivalvia
- Cardiida
- Sportellidae
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Sportella oblonga
(Conrad 1848)
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2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Callista sobrina
|
A category | |||||||||
100+ valves collected | ||||||||||
Callista goniopisthus
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6 individuals | |||||||||
R category | ||||||||||
Pitar calcanea
|
1 individual | |||||||||
R category | ||||||||||
Pitar astartiformis
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2 individuals | |||||||||
R category | ||||||||||
Pitar aldrichi
|
8 individuals | |||||||||
R category | ||||||||||
Pitar protena n. sp.
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1 individual | |||||||||
R category | ||||||||||
Pitar megacostata n. sp.
|
2 individuals | |||||||||
R category | ||||||||||
Chione victoria
(Dall 1982)
|
3 individuals | |||||||||
recombined as Lirophora (Lirophora) victoria | ||||||||||
R category | ||||||||||
Chione craspedonta
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Ungulinidae
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Diplodonta eburnea
(Conrad 1848)
|
4 individuals | |||||||||
recombined as Diplodonta (Diplodonta) eburnea | ||||||||||
R category | ||||||||||
Timothynus turgida
(Conrad 1848)
|
2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Mactridae
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Spisula inaequilateralis
|
25 individuals | |||||||||
C category | ||||||||||
Spisula mississippiensis
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4 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Cardiidae
|
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Nemocardium diversum
(Conrad 1848)
|
A category | |||||||||
recombined as Nemocardium (Nemocardium) diversum | ||||||||||
100+ valves collected | ||||||||||
Agnocardia glebosum
(Conrad 1848)
|
3 individuals | |||||||||
R category | ||||||||||
Trachycardium planicostata n. sp.
Dockery 1982
|
21 individuals | |||||||||
C category | ||||||||||
Laevicardium leptorimum n. sp.
Dockery 1982
|
2 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Donacidae
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Donax funerata
Conrad 1848
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Tellina subprotexta n. sp.
|
A category | |||||||||
100+ valves collected | ||||||||||
Bivalvia
- Cardiida
- Psammobiidae
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Gari papyria
|
1 individual | |||||||||
R category | ||||||||||
Bivalvia
- Cardiida
- Semelidae
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Semele staminea
|
5 individuals | |||||||||
R category | ||||||||||
Ervilia exterolaevis n. sp.
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17 individuals | |||||||||
C category | ||||||||||
Semelina pilsbryi
|
80 individuals | |||||||||
C category | ||||||||||
Bivalvia
- Carditida
- Astartidae
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Astarte menthifontis n. sp.
Dockery 1982
|
66 individuals | |||||||||
C category | ||||||||||
Astarte planilamella n. sp.
Dockery 1982
|
5 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Carditida
- Carditidae
|
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Venericardia carsonensis
Dall 1903
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4 individuals | |||||||||
recombined as Venericardia (Rotundicardia) carsonensis | ||||||||||
R category | ||||||||||
Bivalvia
- Carditida
- Crassatellidae
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Crassinella variablis n. sp.
Dockery 1982
|
5 individuals | |||||||||
R category | ||||||||||
Bivalvia
- Nuculida
- Nuculidae
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Nucula vicksburgensis
Conrad 1848
|
A category | |||||||||
100+ valves collected | ||||||||||
Bivalvia
- Nuculanida
- Yoldiidae
|
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Yoldia serica
(Conrad 1848)
|
51 individuals | |||||||||
C category | ||||||||||
Scaphopoda
- Gadilida
- Gadilidae
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Cadulus quadriturritus
|
MacNeil and Dockery 1984 | |||||||||
Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium varicostata n. sp.
|
MacNeil and Dockery 1984 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Mississippi | County: | Rankin |
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 - 28.10000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Mint Spring | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: The Mint Spring Formation consists mostly of fossiliferous sands that lie disconformably above theestuarine clays and sands of the Forest Hill Formation. The sands of the Mint Spring Formation are moderately clean and often show cross-bedding. These sands indicate a near shore shelf enviroment and have a macrofauna dominated by bivalves. |
Lithology and environment
Primary lithology: | lithified conglomeratic,calcareous conglomerate | ||
Secondary lithology: | wackestone | ||
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: | 5944 | ||
Authorizer: | L. Ivany | Enterer: | S. DeLong |
Modifier: | A. Hendy | Research group: | GCP,marine invertebrate |
Created: | 2000-01-03 20:50:48 | Last modified: | 2014-08-21 11:40:24 |
Access level: | the public | Released: | 2000-01-03 20:50:48 |
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] |
Secondary references:
447 | F. S. MacNeil and D. T. Dockery. 1984. Lower Oligocene Gastropoda, Scaphopoda, and Cephalopoda of the Vicksburg Group in Mississippi. Mississippi Department of Natural Resources, Bureau of Geology Bulletin 124:1-415 [L. Ivany/E. Kowalski/P. Wagner] |