Otukaia
Otukaia is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Otukaia ikukoae Sakurai, 1994
 Otukaia kiheiziebisu (Otuka, 1939)

Synoniemen 
 Otukaia blacki (Dell, 1956) => Maurea (Alertalex) alertae (B. A. Marshall, 1995) => Maurea alertae (B. A. Marshall, 1995)
 Otukaia chilena (Rehder, 1971) => Maurea chilena (Rehder, 1971)
 Otukaia crustulum Vilvens & Sellanes, 2006 => Calliotropis crustulum (Vilvens & Sellanes, 2006)
 Otukaia delli (McLean & Andrade, 1982) => Maurea delli (McLean & Andrade, 1982)
 Otukaia eltanini Dell, 1990 => Maurea eltanini (Dell, 1990)
 Otukaia rossica (Dall, 1919) => Margarites rossicus Dall, 1919

Calliostomatidae