Incisura lytteltonensis (E.A. Smith, 1894)
Length 1.3mm, Width 1mm
Marine, Native - Endemic, In shell sand and alive on under sides of stones
Wanganella Bank, and Three Kings, North, South, Stewart, Snares and Chatham Islands, from 0-622m

Incisura rosea (Hedley, 1904)
Length 1.2mm, Width 1.3mm
Marine, Native - Endemic, In shell sand and on under sides of stones
Wanganella Bank, Middlesex and King Banks, and Three Kings, North, South, Stewart, Snares and Chatham Islands, from 0-895m

Satondella azonata Geiger & Marshall, 2012
Width 0.63mm, Height 0.36mm
Marine, Native - Endemic
Wanganella Bank, Middlesex Bank and NW of Three Kings Islands, from 113-805m

Satondella bicristata Geiger & Marshall, 2012
Width 0.66mm, Height 0.37mm
Marine, Native - Endemic
Kermadec Ridge, from 538m

Satondella cachoi Luque, Geiger & Rolán, 2011
Diameter 1.2mm
Marine, Native - Non-endemic
Indo-West Pacific. Kermadec Ridge, from 100-538m

Satondella dantarti Luque, Geiger & Rolán, 2011
Diameter 0.72mm
Marine, Native - Non-endemic
Western Pacific. Three Kings Rise, from 545-1216m

Scissurella bountyensis Powell, 1933
Height 0.62mm, Width 0.88mm
Marine, Native - Endemic
North-eastern and southern North Island (White Island and Wellington), southern South Island, and Stewart, Snares, Auckland, Campbell, Bounty and Chatham Islands, from 0-200m

Scissurella manawatawhia Powell, 1937
Length 1mm, Width 1mm
Marine, Native - Endemic
Middlesex and King Banks, Three Kings Islands, and north-eastern North Island, from 33-805m

Scissurella prendrevillei Powell, 1933
Width 1.2mm, Height 0.7mm
Marine, Native - Endemic
Middlesex Bank, and Three Kings, North, South, Stewart, Auckland and Chatham Islands, from 0-805m

Scissurella regalis Geiger & Marshall, 2012
Height 0.76mm, Width 1.16mm
Marine, Native - Endemic
Three Kings Rise, from 780-790m

Scissurella skeneoides Geiger, 2012
Marine, Native - Endemic
Three Kings Islands, and off Spirits and Tom Bowling Bays, from 23-91m

Sinezona bandeli B.A. Marshall, 2002
Width 1.3mm
Marine, Native - Endemic
Middlesex and King Banks, Three Kings Islands and north-eastern North Island, from 0-805m

Sinezona brevis (Hedley, 1904)
Width 1.2mm, Height 1mm
Marine, Native - Endemic, In shell sand and inter-tidal on weed
Three Kings, North, South and Chatham Islands, from 0-46m

Sinezona brucei Geiger, 2012
Marine, Native - Non-endemic
Norfolk Island and northern New Zealand. Kermadec Islands, King Bank, Three Kings Islands, and north-eastern North Island as far south as White Island, from 23-622m

Sinezona calumnior Geiger, 2012
Marine

Sinezona enigmatica Geiger & Marshall, 2012
Width 1.24mm, Height 0.86mm
Marine, Native - Endemic
Whangarei Harbour, from 0m

Sinezona iota (Finlay, 1926)
Height 0.9mm, Width 0.8mm
Marine, Native - Endemic
North-eastern North Island (Bay of Islands and Poor Knights Islands), and South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, and Pukaki Rise, from 0-805m

Sinezona laqueus (Finlay, 1926)
Width 1.5mm, Height 1.25mm
Marine, Native - Endemic
Middlesex and King Banks, Three Kings Islands, north-eastern and south-western North Island, Kermadec Ridge, and South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, from 0-805m

Sinezona levigata (Iredale, 1908)
Width 1.0mm
Marine, Native - Endemic
North-eastern and southern North Island, and South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, from 0-117m

Sinezona macleani Geiger, 2006
Marine, Native - Non-endemic
Indo-West Pacific. West Norfolk Ridge and Kermadec Ridge, from 800-1268m

Sinezona mechanica Geiger & Marshall, 2012
Width 1.28mm, Height 0.89mm
Marine, Native - Non-endemic
Macquarie Island and New Zealand. Ranfurly Bank, south-eastern South Island, Stewart Island and Chatham Islands, from 15-360m

Sinezona pacifica (W.R.B. Oliver, 1915)
Width 1.0mm
Marine, Native - Non-endemic, 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. Kermadec Islands, Lord Howe, and Norfolk Island and Macquarie Island, from 15-82m

Sinezona pauperata Powell, 1933
Width 0.5mm, Height 0.4mm
Marine, Native - Non-endemic
Macquarie Island and New Zealand. Kermadec Ridge (Rumble III volcano), southern North Island (Wellington), south-western South Island, and Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, from 0-220m

Sinezona platyspira Geiger & Marshall, 2012
Height 0.6mm, Width 0.95mm
Marine, Native - Endemic
West Norfolk Ridge, W of Cape Reinga, from 785-800m

Sinezona subantarctica (Hedley, 1916)
Height 0.75mm, Width 1.15mm
Marine
Macquarie Islands

Sinezona wanganellica Geiger & Marshall, 2012
Width 0.71mm, Height 0.41mm
Marine, Native - Endemic
West Norfolk Ridge, NW of Cape Maria van Diemen, from 113-133m

Sukashitrochus lyallensis (Finlay, 1926)
Height 1.5mm, Width 1.8mm
Marine, Native - Endemic, In shell sand and alive on under sides of stones
Middlesex and King Banks, Kermadec Islands, Three Kings Islands, north-eastern and southern North Island, far northern and southern South Island, and Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, and Pukaki Rise, from 0-805m