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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 =
N =
North Island
S =
South Island
E =
I =
Gastropoda - Vetigastropoda - (Vetigastropoda) - Family: Larocheidae



Genus: Bathyxylophila

Bathyxylophila excelsa Marshall, 1988
Height 1.3mm, Diameter 1.55mm
North, central NZ & Chatham Islands, deep. Chatham Rise. On sunken logs [ACME.]
Bathyxylophila iota Marshall, 1988
Height 0.67mm, Diameter 0.7mm
Central NZ, Chatham Rise & Chatham Islands, deep [CME.]
Bathyxylophila pusilla Marshall, 1988
Height 0.83mm, Diameter 1.02mm
North Island. Off White Island, Bay of Plenty [AE.]

Genus: Larochea

Larochea miranda Finlay, 1927
Width 1.1mm, Height 0.5mm
Off Northland, in shell sand [AE.]
Larochea scitula Marshall, 1993
Height 1.1mm, Width 1.2mm
Wanganella Bank, West Norfolk Ridge [ACE.]
Larochea secunda Powell, 1937
Width 0.9mm, Height 0.9mm
Off Three Kings Islands, 260 metres [AE.]
Larochea spirata Geiger & Marshall, 2012
Height 1.35mm, Width 1.54mm
West Norfolk Ridge, W of Cape Reinga, New Zealand, 785-800 metres [AE.]

Genus: Larocheopsis

Larocheopsis amplexa Marshall, 1993
Width 1.5mm, Height 1.5mm
Off Three Kings Islands [AE.]
Larocheopsis macrostoma Geiger & Marshall, 2012
Height 0.79mm, Width 1.22mm
Seamount 130 km S of Esperance Rock, Kermadec Ridge, 538 metres [AE.]

Genus: Trogloconcha

Trogloconcha tesselata Kase & Kano, 2002
Kermadec Islands [K.]