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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.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
FW =
Freshwater
L =
Land
E =
Endemic
I =
Introduced
Gastropoda - Vetigastropoda - Lepetellidae:
Lepetellidae
 
Genus: Tecticratermap >
Tecticrater compressus (Suter, 1908)
Length 5mm, Width 2mm, Height 3mm, Endemic
Off North, South and Chatham Islands, 70 to over 600 metres [ACFM]
Tecticrater finlayi (Powell, 1937)
Length 3.7mm, Width 2.4mm, Height 1.6mm, Endemic
Off Three Kings Islands, 92 metres [A]
Tecticrater grandis Crozier, 1966
Length 6.5mm, Width 4.7mm, Height 3.4mm, Endemic
North of Three Kings Islands, 800 metres [A]
Length 3.1mm, Height 1.8mm, Endemic
Off Three Kings Islands, 260 metres [A]
Genus: Tectisumenmap >
Length 3mm, Width 2.5mm, Height 2mm, Endemic. Found attached to the inside wall of old polychaete worm tubes
Off Three Kings Islands and North Cape, 130-180 metres. Off Cape Palliser, 90-360 metres. Off Otago and Chatham Islands [ACFMAn]