Hypotrochus Cotton, 1932 accepted as
Plesiotrochus P. Fischer, 1878 (original description)
Hypotrochus monachus (Crosse & P. Fischer, 1864) accepted as
Plesiotrochus monachus (Crosse & P. Fischer, 1864) (new combination reference)
Hypotrochus penetricincta Cotton, 1932 accepted as
Plesiotrochus penetricinctus (Cotton, 1932) (original description)
Lyria kimberi Cotton, 1932 accepted as
Lyria mitraeformis (Lamarck, 1811) (original description)
Mesalia exilis G. B. Sowerby III, 1913 accepted as
Diastoma melanioides (Reeve, 1849) (source of synonymy)
Neodiastoma Cotton, 1932 accepted as
Diastoma Deshayes, 1850 (original description)
Neodiastoma melanioides (Reeve, 1849) accepted as
Diastoma melanioides (Reeve, 1849) (new combination reference)
Octopus flindersi Cotton, 1932 accepted as
Macroctopus maorum (F. W. Hutton, 1880) (original description)
Paracerithium Cotton, 1932 accepted as
Zeacumantus H. J. Finlay, 1926 (original description)
Tenuisepia Cotton, 1932 accepted as
Sepia Linnaeus, 1758 (original description)
Tenuisepia mira Cotton, 1932 accepted as
Sepia mira (Cotton, 1932) (original description)