MGS Loc. 100a - Cleary [Mint Spring Fm]: Rupelian, Mississippi

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Amonia microstriata n. sp.
10 individuals
C category
Mytea vicksburgensis
A category
100+ valves collected
Gastropoda - Cerithiidae
Semivertagus menthafontis n. sp.
MacNeil and Dockery 1984
spelled with current rank as Clava (Semivertagus)
Gastropoda - Vermetidae
Serpulorbis sp. Sasso 1827
MacNeil and Dockery 1984
Bivalvia - Arcida - Arcidae
Barbatia mississippiensis (Conrad 1848)
1 individual
recombined as Barbatia (Cucullaearca) mississippiensis
R category
Scapharca delicatula (Casey 1903)
73 individuals
C category
Bivalvia - Arcida - Glycymerididae
Glycymeris arctata (Conrad 1848)
11 individuals
C category
Glycymeris suwannensis Mansfield 1937
3 individuals
R category
Bivalvia - Pectinida - Limidae
Limaria staminea (Conrad 1848)
1 individual
R category
Bivalvia - Pectinida - Pectinidae
Chlamys menthifontis Glawe 1970
A category
recombined as Chlamys (Lyropecten) menthifontis
100+ valves collected
Eburneopecten subminutus (Aldrich 1903)
28 individuals
recombined as Eburneopecten (Eburneopecten) subminutus
C category
Pecten poulsoni Morton 1834
A category
recombined as Pecten (Pecten) poulsoni
100+ valves collected
Bivalvia - Ostreida - Pteriidae
Pteria argentea (Conrad 1848)
4 individuals
R category
Bivalvia - Ostreida - Pinnidae
Atrina argentea (Conrad 1848)
6 individuals
R category
Bivalvia - Ostreida - Ostreidae
Lopha vicksburgensis (Conrad 1848)
2 individuals
R category
Ostrea paroxis Lesueur 1829
4 individuals
R category
Bivalvia - Mytilida - Crenellidae
Crenella fenestra n. sp. Dockery 1982
4 individuals
R category
Bivalvia - Lucinida - Lucinidae
Lucina imbricolamella n. sp. Dockery 1982
20 individuals
C category
Divaricella subrigaultiana (Meyer 1886)
3 individuals
recombined as Divaricella (Divalinga) subrigaultiana
R category
Lucina posteocurta n. sp. Dockery 1982
40 individuals
C category
Anodontia mississippiensis (Conrad 1848)
A category
100+ valves collected
Lucina fimbripallium n. sp. Dockery 1982
1 individual
R category
Lucina varisculpta n. sp. Dockery 1982
13 individuals
C category
Lucina choctavensis Meyer 1886
12 individuals
recombined as Lucina (Callucina) choctavensis
C category
Bivalvia - Poromyida - Cuspidariidae
Plectodon intastriata
2 individuals
R category
Bivalvia - Poromyida - Verticordiidae
Verticordia dalliana
4 individuals
R category
Bivalvia - Pholadida - Pholadidae
Jouannetia triquetra
1 individual
R category
Bivalvia - Pholadida - Corbulidae
Corbula engonata Conrad 1848
78 individuals
C category
Corbula laqueata Casey 1903
A category
recombined as Varicorbula laqueata
100+ valves collected
Tiza alta
13 individuals
C category
Bivalvia - Cardiida - Sportellidae
Sportella oblonga (Conrad 1848)
2 individuals
R category
Bivalvia - Cardiida - Veneridae
Callista sobrina
A category
100+ valves collected
Callista goniopisthus
6 individuals
R category
Pitar calcanea
1 individual
R category
Pitar astartiformis
2 individuals
R category
Pitar aldrichi
8 individuals
R category
Pitar protena n. sp.
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
Diplodonta eburnea (Conrad 1848)
4 individuals
recombined as Diplodonta (Diplodonta) eburnea
R category
Timothynus turgida (Conrad 1848)
2 individuals
R category
Bivalvia - Cardiida - Mactridae
Spisula inaequilateralis
25 individuals
C category
Spisula mississippiensis
4 individuals
R category
Bivalvia - Cardiida - Cardiidae
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
Donax funerata Conrad 1848
1 individual
R category
Bivalvia - Cardiida - Tellinidae
Tellina subprotexta n. sp.
A category
100+ valves collected
Bivalvia - Cardiida - Psammobiidae
Gari papyria
1 individual
R category
Bivalvia - Cardiida - Semelidae
Semele staminea
5 individuals
R category
Ervilia exterolaevis n. sp.
17 individuals
C category
Semelina pilsbryi
80 individuals
C category
Bivalvia - Carditida - Astartidae
Astarte menthifontis n. sp. Dockery 1982
66 individuals
C category
Astarte planilamella n. sp. Dockery 1982
5 individuals
R category
Bivalvia - Carditida - Carditidae
Venericardia carsonensis Dall 1903
4 individuals
recombined as Venericardia (Rotundicardia) carsonensis
R category
Bivalvia - Carditida - Crassatellidae
Crassinella variablis n. sp. Dockery 1982
5 individuals
R category
Bivalvia - Nuculida - Nuculidae
Nucula vicksburgensis Conrad 1848
A category
100+ valves collected
Bivalvia - Nuculanida - Yoldiidae
Yoldia serica (Conrad 1848)
51 individuals
C category
Scaphopoda - Gadilida - Gadilidae
Cadulus quadriturritus
MacNeil and Dockery 1984
Scaphopoda - Dentaliida - Dentaliidae
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]