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Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approxomation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
E =
I =
Gastropoda - Caenogastropoda - Neogastropoda - Family: Pseudomelatomidae



Genus: Anticomitas

Anticomitas vivens Powell, 1942
Height 9.5mm, Width 4mm, Endemic
Off Three Kings Islands [AE.]

Genus: Antimelatoma

Antimelatoma buchanani (E.A.Smith, 1877) (=ahiparana Powell, =benthicola Powell, =maorum E.A.Smith)
Height 20mm, Width 6mm, Endemic
Northland to East Cape [ACFE.]

Genus: Comitas

Height 48mm, Width 16mm, Endemic
Off North Island east coast down to eastern Otago and Chatham Rise [ACFME.]
Comitas trailli (Hutton, 1873)
Height 28mm, Width 10mm, Endemic
South Island. Off Oamaru to Foveaux Strait and Stewart Island [FE.]

Genus: Leucosyrinx

Height 9mm, Width 3.5mm, Endemic
South Island. Off Cook Strait to eastern Otago 430-650 metres [FE.]
Leucosyrinx eremita (Murdoch & Suter, 1906)
Height 8mm, Endemic
Off Poor Knights Islands to Bay of Plenty [AE.]
Leucosyrinx pikei (Dell, 1963)
Height 35mm, Width 11mm, Endemic
Off Northland east coast. Off Poor Knights Islands around 475 metres [AE.]

Genus: Paracomitas

Paracomitas augusta (Murdoch & Suter, 1906) (=powelli Dell)
Height 10mm, Width 3.9mm, Endemic
North Island to Cook Strait [ACE.]

Genus: Paracomitas (Macrosinus)

Height 15mm, Diameter 6.1mm, Fossil, Endemic
Central & South, described from fossil [CFE.]