Arca mississippiensis Conrad, 1847 † (original description)
Byssoarca lima Conrad, 1847 † accepted as Barbatia (Cucullaearca) lima (Conrad, 1847) † represented as Barbatia lima (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)
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)
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)
Donax funerata Conrad, 1847 † (original description)
Ficus mississippiensis Conrad, 1847 † (original description)
Fissurella mississippiensis Conrad, 1847 † (original description)
Fulgoraria mississippiensis 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)
Madrepora 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)
Murex 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)
Ostrea vicksburgensis Conrad, 1847 † (original description)
Panopea oblongata Conrad, 1847 † (original description)
Pholas triquetra Conrad, 1847 † (original description)
Pinna argentea Conrad, 1847 † (original description)
Ringicula mississippiensis Conrad, 1847 † (original description)
Scobinella Conrad, 1847 † (original description)
Scobinella caelata Conrad, 1847 † (original description)
Tellina pectorosa Conrad, 1847 † (original description)
Tellina serica Conrad, 1847 † (original description)
Tellina vicksburgensis Conrad, 1847 † (original description)
Terebra divisurum Conrad, 1847 † (original description)
Terebra tantula Conrad, 1847 † (original description)
Turbinella perexilis Conrad, 1847 † (original description)
Turbinella protracta Conrad, 1847 † (original description)
Turbinella wilsoni Conrad, 1847 † (original description)
Turbo biliratus Conrad, 1847 † (original description)
Turritella mississippiensis Conrad, 1847 † (original description)
Typhis curvirostratus Conrad, 1847 † (original description)