Actaeon andersoni Conrad, 1847 † (original description)
Amphidesma mississippiensis Conrad, 1847 † (original description)
Arca mississippiensis Conrad, 1847 † (original description)
Avicula argentea Conrad, 1847 † (original description)
Buccinum mississippiensis Conrad, 1847 † accepted as Buccinum mississippiense Conrad, 1847 † accepted as Tritiaria mississippiensis (Conrad, 1847) † (original description)
Bulla crassiplica Conrad, 1847 † accepted as Acteocina crassiplica (Conrad, 1847) † (original description)
Byssoarca lima Conrad, 1847 † accepted as Barbatia (Cucullaearca) lima (Conrad, 1847) † represented as Barbatia lima (Conrad, 1847) † (original description)
Byssoarca mississippiensis Conrad, 1847 † (original description)
Byssoarca protracta Conrad, 1847 † (original description)
Cancellaria funerata Conrad, 1847 † (original description)
Cancellaria mississippiensis Conrad, 1847 † (original description)
Cardita bilineata Conrad, 1847 † (original description)
Cardita carolinensis Conrad, 1847 † (original description)
Cardita subquadrata Conrad, 1847 † (original description)
Cardita subrotunda Conrad, 1847 † (original description)
Cardita vigintinaria Conrad, 1847 † (original description)
Cardium diversum Conrad, 1847 † (original description)
Cardium eversum Conrad, 1847 † (original description)
Cardium glebosum Conrad, 1847 † (original description)
Cardium vicksburgense Conrad, 1847 † (original description)
Caricella demissa Conrad, 1847 † (original description)
Cassidaria lintea Conrad, 1847 † (original description)
Cassis caelatura Conrad, 1847 † (original description)
Cassis mississippiensis Conrad, 1847 † (original description)
Cerithium bicostellatum Conrad, 1847 † (original description)
Cerithium siliceum Conrad, 1847 † (original description)
Chama mississippiensis Conrad, 1847 † (original description)
Chenopus liratus Conrad, 1847 † accepted as Goniocheila lirata (Conrad, 1847) † (original description)
Corbis staminea Conrad, 1847 † (original description)
Corbula alta Conrad, 1847 † (original description)
Corbula engonata Conrad, 1847 † (original description)
Corbula intastriata Conrad, 1847 † (original description)
Crassatella mississippiensis Conrad, 1847 † (original description)
Cypraea lintea Conrad, 1847 † (original description)
Cypraea sphaeroides Conrad, 1847 † accepted as Cypraeorbis sphaeroides (Conrad, 1847) † (original description)
Cytherea astartiformis Conrad, 1847 † (original description)
Cytherea imitabilis Conrad, 1847 † (original description)
Cytherea mississippiensis Conrad, 1847 † (original description)
Cytherea perbrevis Conrad, 1847 † (original description)
Cytherea sobrina Conrad, 1847 † (original description)
Dentalium mississippiensis Conrad, 1847 † accepted as Dentalium mississippiense Conrad, 1847 † (original description)
Donax funerata Conrad, 1847 † (original description)
Ficus mississippiensis Conrad, 1847 † (original description)
Fissurella mississippiensis Conrad, 1847 † (original description)
Fulgoraria mississippiensis Conrad, 1847 † (original description)
Fusus mississippiensis Conrad, 1847 † (original description)
Fusus spiniger Conrad, 1847 † accepted as Spinifulgur spiniger (Conrad, 1847) † (original description)
Fusus vicksburgensis Conrad, 1847 † (original description)
Infundibulum carinatum Conrad, 1847 † (original description)
Lima staminea Conrad, 1847 † (original description)
Loripes eburnea Conrad, 1847 † (original description)
Loripes turgida Conrad, 1847 † (original description)
Lucina mississippiensis Conrad, 1847 † (original description)
Lucina perlevis Conrad, 1847 † (original description)
Mactra funerata Conrad, 1847 † (original description)
Mactra mississippiensis Conrad, 1847 † (original description)
Melongena crassicornuta Conrad, 1847 † (original description)
Mitra cellulifera Conrad, 1847 † (original description)
Mitra conquisita Conrad, 1847 † (original description)
Mitra mississippiensis Conrad, 1847 † (original description)
Mitra staminea Conrad, 1847 † (original description)
Mitra vicksburgensis Conrad, 1847 † (original description)
Modiola mississippiensis Conrad, 1847 † (original description)
Murex mississippiensis Conrad, 1847 † (original description)
Narica mississippiensis Conrad, 1847 † accepted as Vanikoro mississippiensis (Conrad, 1847) † (original description)
Natica mississippiensis Conrad, 1847 † accepted as Ampullinopsis mississippiensis (Conrad, 1847) † (original description)
Natica vicksburgensis Conrad, 1847 † (original description)
Nucula calcarensis Conrad, 1847 † (original description)
Nucula carolinensis Conrad, 1847 † (original description)
Nucula mucronata Conrad, 1847 † (original description)
Nucula serica Conrad, 1847 † (original description)
Nucula subtrigona Conrad, 1847 † (original description)
Nucula vicksburgensis Conrad, 1847 † (original description)
Oliva mississippiensis Conrad, 1847 † (original description)
Oniscia harpula Conrad, 1847 † accepted as Morum harpula (Conrad, 1847) † (original description)
Ostrea vicksburgensis Conrad, 1847 † (original description)
Panopea oblongata Conrad, 1847 † (original description)
Pectunculus arctatus Conrad, 1847 † (original description)
Pholas triquetra Conrad, 1847 † (original description)
Phorus humilis Conrad, 1847 † (original description)
Pinna argentea Conrad, 1847 † (original description)
Pleurotoma (Clavatula) abundans Conrad, 1847 † represented as Pleurotoma abundans Conrad, 1847 † (original description)
Pleurotoma (Clavatula) tantula Conrad, 1847 † accepted as Syntomodrillia tantula (Conrad, 1847) † (original description)
Pleurotoma cochlearis Conrad, 1847 † accepted as Pleuroliria cochlearis (Conrad, 1847) † (original description)
Pleurotoma congesta Conrad, 1847 † (original description)
Pleurotoma cristata Conrad, 1847 † accepted as Cochlespira cristata (Conrad, 1847) † (original description)
Pleurotoma decliva Conrad, 1847 † (original description)
Pleurotoma eborides Conrad, 1847 † (original description)
Pleurotoma mississippiensis Conrad, 1847 † (original description)
Pleurotoma porcellana Conrad, 1847 † (original description)
Pleurotoma rotaedens Conrad, 1847 † (original description)
Pleurotoma servata Conrad, 1847 † (original description)
Pleurotoma tenella Conrad, 1847 † accepted as Coroniopsis tenella (Conrad, 1847) † (original description)
Psammobia lintea Conrad, 1847 † (original description)
Psammobia papyria Conrad, 1847 † (original description)
Ringicula mississippiensis Conrad, 1847 † (original description)
Scalaria trigintanaria Conrad, 1847 † (original description)
Scobinella Conrad, 1847 † (original description)
Scobinella caelata Conrad, 1847 † (original description)
Sigaretus mississippiensis Conrad, 1847 † accepted as Sinum mississippiensis (Conrad, 1847) † (original description)