Acteon modicellus Conrad, 1860 † (original description)
Anchura Conrad, 1860 † (original description)
Anchura abrupta Conrad, 1860 † (original description)
Astarte crenalirata Conrad, 1860 † (original description)
Callista eufaulense Conrad, 1860 † (original description)
Cardium (Protocardia) linteum Conrad, 1860 † (original description)
Cardium (Trachycardium) eufaulense Conrad, 1860 † (original description)
Cerithioderma Conrad, 1860 (original description)
Cerithioderma prima Conrad, 1860 † (original description)
Corbula eufaulensis Conrad, 1860 † (original description)
Crassatella lintea Conrad, 1860 † (original description)
Crassatella pteropsis Conrad, 1860 † (original description)
Crenella (Stalagmium) serica Conrad, 1860 † (original description)
Cucullaea maconensis Conrad, 1860 † (original description)
Daphnella eufaulensis Conrad, 1860 † (original description)
Daphnella lintea Conrad, 1860 † (original description)
Daphnella subfilosa Conrad, 1860 † (original description)
Dosinia depressa Conrad, 1860 † (original description)
Dosinia obliquata Conrad, 1860 † (original description)
Drillia distans Conrad, 1860 † (original description)
Exilia Conrad, 1860 (original description)
Exilia pergracilis Conrad, 1860 † (original description)
Fusus tippana Conrad, 1860 † (original description)
Kellia cretacea Conrad, 1860 † (original description)
Leda longifrons Conrad, 1860 † (original description)
Linearia Conrad, 1860 † (original description)
Linearia metastriata Conrad, 1860 † (original description)
Mazzalina Conrad, 1860 † (original description)
Mazzalina pyrula Conrad, 1860 † (original description)
Mysia parilis Conrad, 1860 † (original description)
Natica (Gyrodes) Conrad, 1860 † accepted as Gyrodes Conrad, 1860 † (original description)
Natica alveata Troschel, 1852 accepted as Polinices alveatus (Troschel, 1852) (additional source)
Natica crenata Récluz, 1853 (additional source)
Nucula cuneifrons Conrad, 1860 † (original description)
Nucula perequalis Conrad, 1860 † (original description)
Pecten argillensis Conrad, 1860 † accepted as Camptonectes argillensis (Conrad, 1860) † (original description)
Pecten mississippiensis Conrad, 1860 † (original description)
Pecten simplicius Conrad, 1860 † accepted as Camptonectes simplicius (Conrad, 1860) † (original description)
Pholadomya anteradiata Conrad, 1860 † (original description)
Pholadomya papyria Conrad, 1860 † (original description)
Pholadomya postsulcata Conrad, 1860 † (original description)
Plicatula saffordi Conrad, 1860 † (original description)
Plicatula tetrica Conrad, 1860 † (original description)
Pugnellus Conrad, 1860 † (original description)
Pyropsis Conrad, 1860 † (original description)
Sanguinolaria cretacensis Conrad, 1860 † (original description)
Scala octolineata Conrad, 1860 † accepted as Scalaria octolineata (Conrad, 1860) † (original description)
Sphaerella concentrica Conrad, 1860 † (original description)
Strepsidura ripleyana Conrad, 1860 † (original description)
Tellina (Tellinimera) Conrad, 1860 † (original description)
Tellina (Tellinimera) eborea Conrad, 1860 † (original description)
Tellina (Tellinimera) limatula Conrad, 1860 † (original description)
Tellina eufaulensis Conrad, 1860 † (original description)
Tornatellaea Conrad, 1860 † (original description)
Tornatellaea bella Conrad, 1860 † (original description)
Tudicla (Pyropsis) Conrad, 1860 † accepted as Pyropsis Conrad, 1860 † (original description)
Turbonilla (Chemnitzia) A. d'Orbigny, 1840 accepted as Turbonilla Risso, 1826 (additional source)
Turbonilla (Chemnitzia) melanopsis Conrad, 1860 † accepted as Exilia melanopsis (Conrad, 1860) † (original description)
Turbonilla (Chemnitzia) trigemmata Conrad, 1860 † accepted as Goniobasis trigemmata (Conrad, 1860) † (original description)
Venilia trapezoidea Conrad, 1860 † (original description)
Volutilithes eufaulensis Conrad, 1860 † (original description)

Alabama for Astarte crenalirata Conrad, 1860 † 
Alabama for Corbula eufaulensis Conrad, 1860 † 
Alabama for Crassatella lintea Conrad, 1860 † 
Alabama for Crenella (Stalagmium) serica Conrad, 1860 † 
Alabama for Cucullaea maconensis Conrad, 1860 † 
Alabama for Daphnella eufaulensis Conrad, 1860 † 
Alabama for Daphnella lintea Conrad, 1860 † 
Alabama for Daphnella subfilosa Conrad, 1860 † 
Alabama for Dosinia depressa Conrad, 1860 † 
Alabama for Drillia distans Conrad, 1860 † 
Alabama for Kellia cretacea Conrad, 1860 † 
Alabama for Leda longifrons Conrad, 1860 † 
Alabama for Linearia metastriata Conrad, 1860 † 
Alabama for Nucula cuneifrons Conrad, 1860 † 
Alabama for Nucula perequalis Conrad, 1860 † 
Alabama for Pecten simplicius Conrad, 1860 † 
Alabama for Sphaerella concentrica Conrad, 1860 † 
Alabama for Tellina eufaulensis Conrad, 1860 † 
Alabama for Turbonilla (Chemnitzia) trigemmata Conrad, 1860 † 
Alabama for Volutilithes eufaulensis Conrad, 1860 † 
Mississippi for Acteon modicellus Conrad, 1860 † 
Mississippi for Cardium (Protocardia) linteum Conrad, 1860 † 
Mississippi for Cardium (Trachycardium) eufaulense Conrad, 1860 † 
Mississippi for Crassatella pteropsis Conrad, 1860 † 
Mississippi for Dosinia obliquata Conrad, 1860 † 
Mississippi for Mysia parilis Conrad, 1860 † 
Mississippi for Pecten mississippiensis Conrad, 1860 † 
Mississippi for Pecten simplicius Conrad, 1860 † 
Mississippi for Pholadomya anteradiata Conrad, 1860 † 
Mississippi for Pholadomya papyria Conrad, 1860 † 
Mississippi for Pholadomya postsulcata Conrad, 1860 † 
Mississippi for Plicatula tetrica Conrad, 1860 † 
Mississippi for Sanguinolaria cretacensis Conrad, 1860 † 
Tennessee for Plicatula saffordi Conrad, 1860 † 

 Type locality

 for Turbonilla (Chemnitzia) trigemmata Conrad, 1860 †

Claiborne, Alabama, United States [details]