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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 - Scissurellidae:
Scissurellidae
 
Genus: Incisuramap >
Incisura lytteltonensis (E.A.Smith, 1894)
Length 1.3mm, Width 1mm, Endemic
North, South, Stewart and Chatham Islands. In shell sand and alive on under sides of stones [ACFMAn]
Incisura rosea (Hedley, 1904)
Length 1.2mm, Width 1.3mm, Endemic
North, South, Stewart and Chatham Islands. In shell sand and on under sides of stones [ACFMAn]
Genus: Satondellamap >
Satondella azonata Geiger & Marshall, 2012
Height 0.36mm, Width 0.63mm, Endemic
West Norfolk Ridge and northern New Zealand, 33-805 metres [A]
Satondella bicristata Geiger & Marshall, 2012
Height 0.37mm, Width 0.66mm, Endemic
Kermadec Ridge, New Zealand, 538 metres [K.]
Satondella cachoi Luque, Geiger & Rolán, 2011
[K.]
Satondella dantarti Luque, Geiger & Rolán, 2011
[A]
Genus: Scissurellamap >
Height 0.62mm, Width 0.88mm, Endemic
Off Bounty Islands [An]
Length 1mm, Width 1mm, Endemic
Off Three Kings Islands, 260 metres [A]
Scissurella prendrevillei Powell, 1933 (=fairchildi Powell, =marshalli Bandel, =stellae Fleming)
Width 1.2mm, Height 0.7mm, Endemic
Three Kings, North, South Island, Fiordland and Chatham Islands. 0-805 metres [ACFMAn]
Scissurella regalis Geiger & Marshall, 2012
Height 0.76mm, Width 1.16mm, Endemic
Three Kings Rise, 780-790m [A]
Endemic
Far North. Off North Cape and Three Kings Islands [A]
Genus: Sinezonamap >
Sinezona bandeli Marshall, 2002
Width 1.3mm, Endemic
Three Kings Island and north-eastern North Island to East Cape. 0-805 metres [K.ACF]
Sinezona brevis (Hedley, 1904) (=Sinezona iota of Bandel 1998)
Width 1.2mm, Height 1mm, Endemic
North Island, north part of South Island and Chatham Islands. In shell sand and inter-tidal on weed [ACMAn]
Sinezona brucei Geiger, 2012
Endemic
Kermadec Islands, Norfolk Island, North Island, Northland to Bay of Plenty [K.A]
Sinezona calumnior Geiger, 2012
[K.A]
Sinezona enigmatica Geiger & Marshall, 2012
Width 1.24mm, Height 0.86mm, Endemic
Northern New Zealand, intertidal [A]
Sinezona iota (Finlay, 1927)
Height 0.9mm, Width 0.8mm, Endemic
North, South, Stewart, Chatham, Bounty and the Snares Islands [ACFMAn]
Sinezona laqueus (Finlay, 1927)
Height 1.25mm, Width 1.5mm, Endemic
Off North, South, Stewart, Snares, Antipodes and Chatham Islands [ACFMAn]
Sinezona levigata (Iredale, 1908) (=campbelli Bandel)
Width 1.0mm, Endemic
Off South, Stewart, Snares, Antipodes, Auckland, Campbell and Chatham Islands. 0-113 metres [CFMAn]
Sinezona macleani Geiger, 2012
West Norfolk Ridge to Kermadec Islands [K.A]
Sinezona mechanica Geiger & Marshall, 2012
Width 1.28mm, Height 0.89mm
Ranfurly Bank, East Cape to Stewart Island, and Chatham Islands. Also Macquarie Island [CFM]
Sinezona pacifica (Oliver, 1915) (=Diazona pacifica Bandel)
Width 1.0mm, Known from beach specimens, under stones and and from algae washings intertidally, down to about 100 metres
Australia from northern NSW to south-western WA. Raoul Island, Kermadec Islands, Lork Howe, and Norfolk Island. Macquarie Island [K.AAn]
Sinezona pauperata (Powell, 1933)
Height 0.4mm, Width 0.5mm
Chatham Islands, 18 metres [M]
Sinezona platyspira Geiger & Marshall, 2012
Height 0.6mm, Width 0.95mm, Endemic
West Norfolk Ridge, W of Cape Reinga, northern New Zealand, 785-800 metres [A]
Sinezona subantarctica (Hedley, 1916)
Height 0.75mm, Width 1.15mm
Macquarie Islands [An]
Sinezona wanganellica Geiger & Marshall, 2012
Height 0.41mm, Width 0.71mm, Endemic
West Norfolk Ridge, NW of Cape Maria van Diemen [A]
Genus: Sukashitrochusmap >
Height 1.5mm, Width 1.8mm, Endemic
North, South and Stewart Island. In shell sand and alive on under sides of stones. Also recently recorded from the Chatham Islands [K.ACFMAn]