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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: Volutomitridae



Genus: Microvoluta

Microvoluta marginata (Hutton, 1885)
Height 8mm, Width 3.5mm, Endemic
North, South and Stewart and Snares Islands. Trawled around 35-500 metres [ACFAnE.]
Microvoluta royana Iredale, 1924
Length 12mm
Australia; Fraser Island, Queensland, to Lakes Entrance, Victoria, 14-143 metres. Kermadec Islands [K.]

Genus: Peculator

Peculator hedleyi (Murdoch, 1905)
Height 8mm, Width 4mm, Endemic
Northland east coast, to Bay of Plenty [AE.]
Peculator obconicus (Powell, 1952)
Height 7mm, Width 3.5mm, Endemic
Off Three Kings Islands and off Spirits Bay, Far North [AE.]
Peculator porphyria (Verco, 1896)
Height 10mm, Width 5.7mm
Far North. Off Three Kings Islands to North Cape [AC]

Genus: Volutomitra

Volutomitra banksi (Dell, 1951)
Height 35mm, Width 15mm, Endemic. Sometimes bears a minute operculum
South Island. Off Banks Peninsula and Chatham Rise [CFMAnE.]
Volutomitra obscura (Hutton, 1873)
Height 22mm, Width 11mm
Northland to East Cape. Also South Australia to Victoria and Tasmania [AC]