 Cymatium tigrinum (Broderip, 1833) |  Monoplex amictus (Reeve, 1844) |  Monoplex keenae (Beu, 1970) |
 Monoplex macrodon (Valenciennes, 1832) |  Monoplex martinianus (A. d�Orbigny, 1853) |  Monoplex vestitus (Hinds, 1844) |
 Monoplex wiegmanni (Anton, 1838) |  Turritriton gibbosus (Broderip, 1833) | |