USGS 13286. Upper Vicksburg (Oligocene of the United States)

Where: Warren County, Mississippi (32.1° N, 90.5° W: paleocoordinates 32.5° N, 84.0° W)

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

• member-level stratigraphic resolution

Environment/lithology: marl

Size class: macrofossils

Reposited in the USNM

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177590: authorized by Pete Wagner, entered by Pete Wagner on 05.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Trochoidea - Trochidae
"Architectonica (Architectonica) trilirata" = Solarium triliraium
"Architectonica (Architectonica) trilirata" = Solarium triliraium Conrad 1847 top snail
 Epitonioidea - Epitoniidae
Scalina trigintanaria Conrad 1848 wentletrap
 Cerithioidea - Turritellidae
Turritella mundula n. sp. turret shell
Turritella caseyi n. sp. turret shell
"Turritella aff. planigyrata" = Turritella (Broderiptella) planigyrata Guppy 1867 turret shell
Turritella mississippiensis Conrad 1848 turret shell
 Pseudomelanoidea - Pseudomelaniidae
 Neogastropoda - Olivellidae
"Oliva (Strephonella) mississippiensis" = Agaronia mississippiensis
"Oliva (Strephonella) mississippiensis" = Agaronia mississippiensis Conrad 1848 snail
 Neogastropoda - Olividae
 Neogastropoda - Buccinidae
 Neogastropoda - Fasciolariidae
Dolicholatirus exilis Gabb 1873 snail
Dolicholatirus exilis confertus
 Neogastropoda - Melongenidae
 Neogastropoda - Cochlespiridae
"Tropiscurcula caseyi" = Tropisurcula
"Tropiscurcula caseyi" = Tropisurcula snail
 Neogastropoda - Conidae
Conus protractus, "Conus alveatus" = Conus sauridens
Conus protractus cone shell
"Conus alveatus" = Conus sauridens Conrad 1833 cone shell
 Neogastropoda - Drilliidae
Syntomodrillia tantula Conrad 1843 snail
 Neogastropoda - Borsoniidae
 Neogastropoda - Terebridae
 Neogastropoda - Turridae
"Cochlespira cristata" = Pleurotoma cristata Conrad 1848 turrid
Scobinella caelata Conrad 1848 turrid
Scobinella famelica Casey 1903 turrid
"Coronia (Coroniopsis) tenella" = Gemmula (Coronia) turrid
Pleurofusia longirostropsis de Gregorio 1890 turrid
 Neogastropoda - Turbinellidae
Turbinella wilsoni Conrad 1848 snail
 Neogastropoda - Costellariidae
"Turricula (Orthosurcula) byramensis" = Orthosurcula ribbed mitre
Microsurcula intacta ribbed mitre
 Neogastropoda - Marginellidae
? Marginella sp. Lamarck 1799 margin shell
resembles Marginella (Egouena) apalachee
 Neogastropoda - Muricidae
"Chicoreus (Phyllonotus) mississippiensis" = Phyllonotus murex snail
 Neogastropoda - Volutidae
Caricella (Atraktus) demissa Conrad 1848 volute
Lyria (Lyria) mississippiensis Conrad 1843 volute
 Neogastropoda - Harpidae
 Sorbeoconcha - Personidae
 Sorbeoconcha - Cassidae
Sconsia lintea Conrad 1848 snail
"Galeodaria tricarinata" = Galeodea snail
 Sorbeoconcha - Ranellidae
 Sorbeoconcha - Eocypraeidae
Sulcocypraea lintea Conrad 1848 snail
 Sorbeoconcha - Xenophoridae
Xenophora (Xenophora) humilis Conrad 1848 carrier shell
 Sorbeoconcha - Capulidae
 Sorbeoconcha - Naticidae
Euspira vicksburgensis, Sinum (Sigaretotrema) mississippiensis, "Natica (Naticarius) acuticaliosa n. sp." = Naticarius, Natica (Natica) caseyi, "Ampullinopsis mississippiensis" = Natica mississippiensis
"Natica (Naticarius) acuticaliosa n. sp." = Naticarius moon snail
"Ampullinopsis mississippiensis" = Natica mississippiensis Conrad 1848 moon snail