Alcithoe (Alcithoe) swainsoni Marwick, 1926 accepted as Alcithoe arabica (Gmelin, 1791) (original description)
Alcithoe acuta Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (original description)
Alcithoe arabicula Marwick, 1926 † (original description)
Alcithoe armigera Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe brevis Marwick, 1926 † (original description)
Alcithoe compressa Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe detrita Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (original description)
Alcithoe dilatata Marwick, 1926 † (original description)
Alcithoe exigua Marwick, 1926 † (original description)
Alcithoe familiaris Marwick, 1926 † (original description)
Alcithoe finlayi Marwick, 1926 † (original description)
Alcithoe gatesi Marwick, 1926 † (original description)
Alcithoe haweraensis Marwick, 1926 † (original description)
Alcithoe hurupiensis Marwick, 1926 † (original description)
Alcithoe irregularis Marwick, 1926 † (original description)
Alcithoe larochei Marwick, 1926 (original description)
Alcithoe larochei larochei Marwick, 1926 (original description)
Alcithoe lepida Marwick, 1926 † (original description)
Alcithoe mackayi Marwick, 1926 † accepted as Alcithoe brevis Marwick, 1926 † (original description)
Alcithoe neglecta Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe oliveri Marwick, 1926 accepted as Mauira oliveri (Marwick, 1926) † (original description)
Alcithoe parva Marwick, 1926 † (original description)
Alcithoe reflexa Marwick, 1926 † accepted as Alcithoe lepida Marwick, 1926 † (original description)
Alcithoe robusta Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe scopi Marwick, 1926 † (original description)
Alcithoe sequax Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe solida Marwick, 1926 † (original description)
Alcithoe subgracilis Marwick, 1926 † accepted as Alcithoe brevis Marwick, 1926 † (original description)
Alcithoe swainsoni Marwick, 1926 accepted as Alcithoe arabica (Gmelin, 1791) (original description)
Alcithoe transformis Marwick, 1926 † accepted as Alcithoe arabica (Gmelin, 1791) (original description)
Alcithoe wekaensis Marwick, 1926 † accepted as Alcithoe cylindrica Marwick, 1926 † (original description)
Alcithoe whakinoensis Marwick, 1926 † (original description)
Cymbiola lutea R. B. Watson, 1882 accepted as Alcithoe lutea (R. B. Watson, 1882) (basis of record)
Mauia Marwick, 1926 † accepted as Mauira Marwick, 1943 † (original description)
Mauia curvispina Marwick, 1926 † accepted as Mauira biconica (Suter, 1917) † (original description)
Mauia insignis Marwick, 1926 † accepted as Mauithoe insignis (Marwick, 1926) † (original description)
Metamelon Marwick, 1926 † (original description)
Metamelon marshalli Marwick, 1926 † (original description)
Metamelon minima Marwick, 1926 † (original description)
Notoplejona Marwick, 1926 † accepted as Athleta Conrad, 1853 (original description)
Notoplejona lata Marwick, 1926 † accepted as Athleta lata (Marwick, 1926) † (original description)
Spinomelon Marwick, 1926 (original description)
Spinomelon enysi Marwick, 1926 † (original description)
Spinomelon mira Marwick, 1926 † (original description)
Spinomelon speighti Marwick, 1926 † (original description)
Voluta lutea (R. B. Watson, 1882) accepted as Alcithoe lutea (R. B. Watson, 1882) (basis of record)
Waihaoia Marwick, 1926 accepted as Spinomelon Marwick, 1926 (original description)
Waihaoia (Pachymelon) Marwick, 1926 † accepted as Pachymelon Marwick, 1926 † (original description)
Waihaoia (Pachymelon) amoriaformis Marwick, 1926 † accepted as Pachymelon amoriaformis (Marwick, 1926) † (original description)
Waihaoia (Pachymelon) firma Marwick, 1926 † accepted as Alcithoe firma (Marwick, 1926) † (original description)
Waihaoia (Pachymelon) murdochi Marwick, 1926 † accepted as Alcithoe murdochi (Marwick, 1926) † (original description)
Waihaoia (Pachymelon) waitakiensis Marwick, 1926 † accepted as Teremelon waitakiensis (Marwick, 1926) † (original description)
Waihaoia (Teremelon) Marwick, 1926 accepted as Teremelon Marwick, 1926 † (original description)
Waihaoia (Teremelon) awamoaensis Marwick, 1926 † accepted as Teremelon tumidior (H. J. Finlay, 1926) † (original description)
Waihaoia allani Marwick, 1926 † accepted as Spinomelon allani (Marwick, 1926) † (original description)
Waihaoia confusa Marwick, 1926 † accepted as Spinomelon confusa (Marwick, 1926) † (original description)
Waihaoia lutea (R. B. Watson, 1882) accepted as Alcithoe lutea (R. B. Watson, 1882) (basis of record)
Waihaoia rugosa Marwick, 1926 † accepted as Alcithoe rugosa (Marwick, 1926) † (original description)
Waihaoia scitula Marwick, 1926 † accepted as Alcithoe scitula (Marwick, 1926) † (original description)
Waihaoia superstes Marwick, 1926 † accepted as Spinomelon superstes (Marwick, 1926) † (original description)
Waihaoia suteri Marwick, 1926 † accepted as Spinomelon suteri (Marwick, 1926) † (original description)
Waihaoia thomsoni Marwick, 1926 † accepted as Spinomelon thomsoni (Marwick, 1926) † (original description)