Architectonica (Pseudotorinia) corwini Ladd, 1972 † represented as Architectonica corwini Ladd, 1972 † (original description)
Ataxocerithium eniwetokensis Ladd, 1972 † accepted as Ataxocerithium eniwetokense Ladd, 1972 † (original description)
Batillaria (Zeacumantus) rickardi Ladd, 1972 † accepted as Zeacumantus rickardi (Ladd, 1972) † (original description)
Bittium (Bittiolum) toddae Ladd, 1972 † accepted as Bittiolum toddae (Ladd, 1972) † (original description)
Bittium eniwetokensis Ladd, 1972 † accepted as Bittium eniwetokense Ladd, 1972 † (original description)
Bittium ianthinum (A. Gould, 1849) accepted as Cerithium zebrum Kiener, 1841 (basis of record)
Caecum berberense Ladd, 1972 † accepted as Caecum sepimentum de Folin, 1868 (original description)
Caecum parryensis Ladd, 1972 † accepted as Mauroceras kajiyamai (T. Habe, 1963) (original description)
Cerithium (Thericium) schmidti Ladd, 1972 † accepted as Cerithium balteatum R. A. Philippi, 1848 (original description)
Cerithium wainingoli Ladd, 1972 † accepted as Clypeomorus batillariaeformis Habe & Kosuge, 1966 (original description)
Clypeomorus wainingoli Ladd, 1972 † (original description)
Cyrbasia (Joculator) sumangi Ladd, 1972 † accepted as Joculator sumangi (Ladd, 1972) † (original description)
Hipponix (Pilosabia) revellei Ladd, 1972 accepted as Pilosabia revellei (Ladd, 1972) † (original description)
Liocerithium kayae Ladd, 1972 † (original description)
Melanatria vitiensis Ladd, 1972 † accepted as Faunus vitiensis (Ladd, 1972) † (original description)
Micranellum schlangeri Ladd, 1972 † accepted as Mauroceras kajiyamai (T. Habe, 1963) (original description)
Obtortio dancei Ladd, 1972 † accepted as Finella dancei (Ladd, 1972) † (original description)
Obtortio failingi Ladd, 1972 † accepted as Finella failingi (Ladd, 1972) † (original description)
Petaloconchus (Macrophragma) lamellosus Ladd, 1967 accepted as Petaloconchus lamellosus Ladd, 1972 (original description)
Petaloconchus (Macrophragma) merkana Ladd, 1972 accepted as Petaloconchus merkana Ladd, 1972 (original description)
Plesiotrochus marshallensis Ladd, 1972 † (original description)
Plesiotrochus talinana Ladd, 1972 † (original description)
Plesiotrochus whitmorei Ladd, 1972 † (original description)
Potamides wardi Ladd, 1972 † (original description)
Rhinoclavis (Pseudovertagus) eniwetokensis Ladd, 1972 † accepted as Pseudovertagus eniwetokensis (Ladd, 1972) † (original description)
Rhinoclavis (Pseudovertagus) floraensis Ladd, 1972 † accepted as Pseudovertagus floraensis (Ladd, 1972) † (original description)
Rhinoclavis (Pseudovertagus) lowae Ladd, 1972 † accepted as Pseudovertagus lowae (Ladd, 1972) † (original description)
Rhinoclavis (Rhinoclavis) marshallensis Ladd, 1972 † represented as Rhinoclavis marshallensis Ladd, 1972 † (original description)
Rhinoclavis (Rhinoclavis) powelli Ladd, 1972 † represented as Rhinoclavis powelli Ladd, 1972 † (original description)
Seila (Notoseila) waluensis Ladd, 1972 † represented as Seila waluensis Ladd, 1972 † (original description)
Strombus (Lentigo) micklei Ladd, 1972 † accepted as Striatostrombus micklei (Ladd, 1972) † (original description)
Thiara (Setaeara) morrisoni Ladd, 1972 † represented as Thiara morrisoni Ladd, 1972 † (original description)
Triphora (Inella) roddai Ladd, 1972 † accepted as Inella roddai (Ladd, 1972) † (original description)
Triphora (Mastonia) cingulifera goikulensis Ladd, 1972 † accepted as Mastonia cingulifera goikulensis (Ladd, 1972) † (original description)

Marshall Islands for Plesiotrochus marshallensis Ladd, 1972 † 
Marshall Islands for Plesiotrochus talinana Ladd, 1972 † 
Marshall Islands for Plesiotrochus whitmorei Ladd, 1972 † 
Marshall Islands for Strombus (Lentigo) micklei Ladd, 1972 † 
Tuamotu Islands for Strombus blanci Tröndlé & B. Salvat, 2010 †