Monstrotyphis montfortii (A. Adams, 1863) Height 9.1mm Marine Northern Japan, Philippine Islands, Natal and Transkei, South Africa, and northern New Zealand, living at 50-200 metres A |
Monstrotyphis pauperis (Mestayer, 1916) Height 10mm, Width 6mm Marine, Native - Endemic Northland to Bay of Plenty A |
Monstrotyphis tangaroa B.A. Marshall & Houart, 2012 Height 7.9mm Marine, Native - Endemic Northern New Zealand, 63-622 metres A |
Siphonochelus solus Vella, 1961 Height 8mm, Width 4mm Marine, Native - Endemic Western and north-eastern North Island and north-western South Island, 178-1029 metres AC |