PBDB Collection

MGS #106a (Oligocene of the United States)

Where: Hinds County, Mississippi (32.2° N, 90.2° W: paleocoordinates 32.5° N, 83.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Byram Formation, Rupelian (33.9 - 28.1 Ma)

• The Byram Formation is fossiliferous and has some clayey sands. Macrofauna is dominated by Bivalves.

• formation-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, shelly/skeletal, sandy, calcareous claystone and sandstone

Size class: mesofossils

Preservation: original aragonite, original calcite

Collection methods: bulk, mechanical,

• Bivalves only.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 6005: authorized by Linda Ivany, entered by Sarah DeLong on 13.01.2000, edited by Laurie Eccles

Creative Commons license: CC BY (attribution)

Taxonomic list

• List uses catagories, for example, R = rare...1 - 9 valves collected. C = common...10 - 99 valves collected. A = abundant...100+ valves collected.

Show authors, comments, and common names

unclassified
-	Samelina pilsbryi Samelina pilsbryi 1 valve collected
Bivalvia
Nuculanida - Yoldiidae	Yoldia serica Yoldia serica Conrad 1848 clam 3 valves collected
Nuculanida - Nuculanidae	Nuculana akidota Nuculana akidota Dockery 1982 pointed nut clam 14 valves collected
Nuculida - Nuculidae	Nucula vicksburgensis Nucula vicksburgensis Conrad 1848 nut clam 3 valves collected
Lucinida - Lucinidae	Lucina posteocurta n. sp., Lucina fimbripallium n. sp. Lucina posteocurta n. sp. Dockery 1982 clam 100+ valves collected Lucina fimbripallium n. sp. Dockery 1982 clam 4 valves collected
Poromyida - Spheniopsidae	Spheniopsis mississippiensis Spheniopsis mississippiensis clam 1 valve collected
Poromyida - Verticordiidae	Verticordia dalliana Verticordia dalliana clam 4 valves collected
Hiatellida - Hiatellidae	Panopea oblongata Panopea oblongata Conrad 1848 clam 4 valves collected
Cardiida - Cardiidae	"Nemocardium diversum" = Nemocardium (Nemocardium) diversum, Dinocardium vicksburgensis "Nemocardium diversum" = Nemocardium (Nemocardium) diversum Conrad 1848 cockle 18 valves collected Dinocardium vicksburgensis cockle 13 valves collected
Cardiida - Tellinidae	Tellina vicksburgensis Tellina vicksburgensis Conrad 1848 tellin clam 63 valves collected
Cardiida - Semelidae	Ervilia lamelloexteria n. sp., Semele staminea, Abra (Abra) perovata¹ Ervilia lamelloexteria n. sp. clam 100+ valves collected Semele staminea clam 2 valves collected Abra (Abra) perovata¹ abra
Cardiida - Mactridae	Spisula funerata Spisula funerata clam 4 valves collected
Cardiida - Ungulinidae	Timothynus turgida, "Diplodonta eburnea" = Diplodonta (Diplodonta) eburnea Timothynus turgida Conrad 1848 clam 1 valve collected "Diplodonta eburnea" = Diplodonta (Diplodonta) eburnea Conrad 1848 clam 1 valve collected
Cardiida - Veneridae	Callista sobrina, "Chione bainbridgensis" = Chione (Chionopsis) bainbridgensis, Chione perbrevisformis n. sp., Chamelea mississippiensis, Pitar perbrevis, Pitar protena n. sp., Pitar imitabilis, Pitar semipunctata Callista sobrina venus clam 100+ valves collected "Chione bainbridgensis" = Chione (Chionopsis) bainbridgensis Dall 1916 venus clam 7 valves collected Chione perbrevisformis n. sp. venus clam 2 valves collected Chamelea mississippiensis venus clam 8 valves collected Pitar perbrevis venus clam 6 valves collected Pitar protena n. sp. venus clam 2 valves collected Pitar imitabilis venus clam 37 valves collected Pitar semipunctata venus clam 3 valves collected
Cardiida - Kelliidae	Bornia tallahalaensis n. sp. Bornia tallahalaensis n. sp. Dockery 1982 clam 1 valve collected
Cardiida - Sportellidae	Sportella oblonga Sportella oblonga Conrad 1848 clam 1 valve collected
Pholadida - Corbulidae	Corbula engonata, "Corbula laqueata" = Varicorbula laqueata Corbula engonata Conrad 1848 clam 24 valves collected "Corbula laqueata" = Varicorbula laqueata Casey 1903 clam 100+ valves collected
Carditida - Astartidae	Astarte menthifontis n. sp., Astarte triangulata, Astarte triangulata¹ Astarte menthifontis n. sp. Dockery 1982 clam 6 valves collected Astarte triangulata Meyer 1886 clam 1 valve collected Astarte triangulata¹ Meyer 1886 clam
Carditida - Crassatellidae	"Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis, Crassinella variablis n. sp. "Crassatella mississippiensis" = Crassatella (Crassatella) mississippiensis Conrad 1848 clam 100+ valves collected Crassinella variablis n. sp. Dockery 1982 clam 100+ valves collected
Pectinida - Limidae	Limaria staminea Limaria staminea Conrad 1848 file clam 1 valve collected
Pectinida - Pectinoidae	"Eburneopecten subminutus" = Eburneopecten (Eburneopecten) subminutus, Pecten byramensis "Eburneopecten subminutus" = Eburneopecten (Eburneopecten) subminutus Aldrich 1903 scallop 5 valves collected Pecten byramensis scallop 100+ valves collected
Ostreida - Ostreidae	Lopha vicksburgensis, Ostrea paroxis Lopha vicksburgensis Conrad 1848 oyster 6 valves collected Ostrea paroxis Lesueur 1829 oyster 36 valves collected
Ostreida - Pteriidae	Pteria argentea Pteria argentea Conrad 1848 pearl oyster 1 valve collected
Ostreida - Pinnidae	Atrina argentea Atrina argentea Conrad 1848 oyster 10 valves collected
Arcida - Glycymerididae	Glycymeris mississippiensis Glycymeris mississippiensis Conrad 1848 clam 12 valves collected
Arcida - Arcidae	"Scapharca lesueuri" = Cunearca lesueuri, "Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis, Barbatia lima "Scapharca lesueuri" = Cunearca lesueuri Dall 1848 ark 100+ valves collected "Barbatia mississippiensis" = Barbatia (Cucullaearca) mississippiensis Conrad 1848 clam 5 valves collected Barbatia lima Conrad 1848 clam 6 valves collected
Gastropoda
Vanikoroidea - Aclididae	Aclis sp.² Aclis sp.² Loven 1846 aclis
Epitonioidea - Epitoniidae	Pliciscala caseyi n. sp.², Pliciscala byramensis n. sp.², Scalina trigintanaria², Epitonium ? sp.² Pliciscala caseyi n. sp.² wentletrap Pliciscala byramensis n. sp.² wentletrap Scalina trigintanaria² Conrad 1848 wentletrap Epitonium ? sp.² Bolten 1798 wentletrap
Cerithioidea - Cerithiidae	Bittium ottoi n. sp.² Bittium ottoi n. sp.² cerith snail
Cerithioidea - Litiopidae	Alaba macneili n. sp.² Alaba macneili n. sp.² snail
Sorbeoconcha - Tornidae	Teinostoma minuta n. sp.² Teinostoma minuta n. sp.² snail
Sorbeoconcha - Vitrinellidae	Vitrinella laevis² Vitrinella laevis² snail
Neogastropoda - Nassariidae	"Tritiaria mississippiensis" = Nassarius (Tritiaria)² "Tritiaria mississippiensis" = Nassarius (Tritiaria)² snail
Neogastropoda - Melongenidae	Levifusus spiniger² Levifusus spiniger² snail
Neogastropoda - Fasciolariidae	Latirus protractus², Latirus mississippiensis², Dolicholatirus perexilis², Dolicholatirus exilis² Latirus protractus² snail Latirus mississippiensis² snail Dolicholatirus perexilis² snail Dolicholatirus exilis² Gabb 1873 snail Dolicholatirus exilis confertus
Neogastropoda - Buccinidae	Pseudofulgur lirata n. gen. n. sp.² Pseudofulgur lirata n. gen. n. sp.² true whelk
Neogastropoda - Turbinellidae	Turbinella wilsoni² Turbinella wilsoni² Conrad 1848 snail
Neogastropoda - Costellariidae	Vexillum cellulifera², Microsurcula intacta², Conomitra vicksburgensis² Vexillum cellulifera² ribbed mitre Microsurcula intacta² ribbed mitre Conomitra vicksburgensis² ribbed mitre
Neogastropoda - Olivellidae	"Oliva mississippiensis" = Agaronia mississippiensis² "Oliva mississippiensis" = Agaronia mississippiensis² Conrad 1848 snail
Neogastropoda - Olividae	Oliva affluens² Oliva affluens² olive snail
Neogastropoda - Volutidae	Lyria mississippiensis², Lyria isabellae², Caricella demissa² Lyria mississippiensis² Conrad 1843 volute Lyria isabellae² Maury 1910 volute Lyria isabellae modesta Caricella demissa² Conrad 1848 volute
Neogastropoda - Harpidae	Harpa vicksburgiana n. sp.² Harpa vicksburgiana n. sp.² snail
Neogastropoda - Muricidae	Chicoreus dormani², Chicoreus mississippiensis², Siphonochelus curvirostratus² Chicoreus dormani² murex snail Chicoreus mississippiensis² murex snail Siphonochelus curvirostratus² Conrad 1848 murex snail
Neogastropoda - Mitridae	Mitra conquista², Mitra mississippiensis² Mitra conquista² mitre shell Mitra mississippiensis² Conrad 1848 mitre shell
Neogastropoda - Terebridae	Terebra divisura², Terebra tantula² Terebra divisura² auger snail Terebra tantula² Conrad 1848 auger snail
Neogastropoda - Conidae	"Conus alveatus" = Conus sauridens², Conorbis porcellanus² "Conus alveatus" = Conus sauridens² Conrad 1833 cone shell Conorbis porcellanus² cone shell
Neogastropoda - Clavatulidae	Turricula byramensis n. sp.² Turricula byramensis n. sp.² snail
Neogastropoda - Drilliidae	Syntomodrillia tantula² Syntomodrillia tantula² Conrad 1843 snail
Neogastropoda - Cochlespiridae	"Tropiscurcula caseyi" = Tropisurcula² "Tropiscurcula caseyi" = Tropisurcula² snail
Neogastropoda - Borsoniidae	Microdrillia brevis², Microdrillia vicksburgella², Bathytoma congesta² Microdrillia brevis² snail Microdrillia vicksburgella² snail Bathytoma congesta² snail
Neogastropoda - Raphitomidae	Phandella nepionica² Phandella nepionica² snail
Neogastropoda - Turridae	Pleurofusia servata², Pleurofusia longirostropis², Pleuroliria cochlearis², Scobinella macer², Scobinella pluriplicata², Scobinella caelata², "Cochlespira cristata" = Pleurotoma cristata², Gemmula rotaedens², "Coronia tenella" = Gemmula (Coronia)² Pleurofusia servata² turrid Pleurofusia longirostropis² turrid Pleuroliria cochlearis² turrid Scobinella macer² turrid Scobinella pluriplicata² turrid Scobinella pluriplicata subpluriplicata Scobinella caelata² Conrad 1848 turrid "Cochlespira cristata" = Pleurotoma cristata² Conrad 1848 turrid Gemmula rotaedens² turrid "Coronia tenella" = Gemmula (Coronia)² turrid
Sorbeoconcha - Cypraeidae	Cypraeorbis sphaeroides² Cypraeorbis sphaeroides² Conrad 1848 cowry
Sorbeoconcha - Eocypraeidae	Sulcocypraea lintea² Sulcocypraea lintea² Conrad 1848 snail
Sorbeoconcha - Personidae	Distorsio crassidens² Distorsio crassidens² snail
Sorbeoconcha - Cassidae	Sconsia lintea², Semicassis caelatura² Sconsia lintea² Conrad 1848 snail Semicassis caelatura² snail
Sorbeoconcha - Aporrhaidae	Aporrhais lirata² Aporrhais lirata² snail
Sorbeoconcha - Ficidae	Ficus mississippiensis² Ficus mississippiensis² Conrad 1848 fig shell
Sorbeoconcha - Triforidae	Cerithiella sp.² Cerithiella sp.² Verrill 1882 snail
Pseudomelanoidea - Pseudomelaniidae	Crassispira abundans² Crassispira abundans² Conrad 1840 snail
Heterostropha - Pyramidellidae	Eulimella clearyensis n. sp.², Odostomia vicksburgella n. sp.², Odostomia byramensis n. sp.², Turbonilla leafensis n. sp.² Eulimella clearyensis n. sp.² snail Odostomia vicksburgella n. sp.² snail Odostomia byramensis n. sp.² snail Turbonilla leafensis n. sp.² snail
Heterostropha - Ringiculidae	Ringicula mississippiensis² Ringicula mississippiensis² Conrad 1848 snail including Ringicula mississippiensis petila
Heterostropha - Acteonidae	Acteon sp.² Acteon sp.² Montfort 1810 snail
Opisthobranchia - Cylichnidae	Acteocina crassiplica² Acteocina crassiplica² barrel-bubble
Thecosomata - Cavoliniidae	"Creseis hastata" = Creseis spina² "Creseis hastata" = Creseis spina² Reuss 1867 snail
Scaphopoda
Dentaliida - Dentaliidae	Dentalium strenuum², Dentalium mississippiense² Dentalium strenuum² tusk shell Dentalium mississippiense² Conrad 1848 tusk shell
Gadilida - Gadilidae	Cadulus vicksburgensis² Cadulus vicksburgensis² tusk shell

¹Dockery 1980; ²MacNeil and Dockery 1984