Adeuomphalus crenulatus (Powell, 1937)
Width 1.1mm, Height 0.4mm
Marine, Native - Endemic
Middlesex Bank, Three Kings Islands, and NW of Cape Reinga, from 14-622m

Adeuomphalus neozelanica (Suter, 1908)
Marine, Native - Endemic
Snares and Auckland Islands, from 100-141m

Aequispirella corula (Hutton, 1885)
Height 1.5mm, Width 1.0mm
Marine, Recent, Fossil, Native - Endemic, Intertidal
Southern Norfolk Ridge, Middlesex and King Banks, Three Kings Islands, North Island, northern and south-eastern South Island, Stewart Island, Chatham Islands, Auckland Islands and Mernoo Bank, from 0-805m

Aequispirella enderbyensis (Powell, 1931)
Height 1.17mm, Width 1.0mm
Marine, Native - Endemic
Eastern North Island as far north as North Cape, eastern South Island, and Auckland, Antipodes and Chatham Islands, from 141-939m

Aequispirella finlayi (Powell, 1933)
Height 1.3mm, Width 0.95mm
Marine
Three Kings to Chatham Islands

Brookula annectens Powell, 1937
Height 1.1mm, Width 1.2mm
Marine, Native - Endemic
Southern Norfolk Ridge, Three Kings Islands, and off Cape Reinga, from 100-622m

Brookula benthicola Dell, 1956
Height 1.2mm, Width 1.0mm
Marine, Native - Endemic
Challenger Plateau and Cook Strait, to Taiaroa Canyon, off Otago Peninsula, from 536-1019m

Brookula contigua Powell, 1940
Height 0.8mm, Width 1.0mm
Marine, Native - Endemic
Off Cape Reinga, from 179-183m

Brookula prognata Finlay, 1926
Height 0.9mm, Width 0.95mm
Marine, Native - Endemic
W of Cape Reinga, north-eastern and south-western North Island, and northern and southern South Island, from 15-420m

Brookula stibarochila Iredale, 1912
Marine, Native - Endemic
Kermadec Islands, from 30-165m

Lissotesta ambigua Dell, 1956
Height 2.4mm, Width 1.9mm
Marine, Native - Endemic
South-eastern South Island and Chatham Islands, from 229-660m

Lissotesta benthicola Powell, 1927
Height 1.3mm, Width 1.0mm
Marine, Native - Endemic
Southern Norfolk Ridge, West Norfolk Ridge, Middlesex Bank, Three Kings Islands, Ranfurly Bank, south-western North Island, South Island, Auckland Islands, Campbell Plateau and Chatham Rise, from 91-1216m

Lissotesta bicarinata Powell, 1940
Height 0.6mm, Width 0.75mm
Marine, Native - Endemic
North-eastern North Island, from Little Barrier Island to Motuhora Island, from 1-188m

Lissotesta conoidea Powell, 1937
Height 1.4mm, Width 1.0mm
Marine, Native - Endemic
Middlesex Bank, Three Kings Islands, and off Cape Reinga, from 120-260m

Lissotesta decipiens Powell, 1940
Height 1.4mm, Width 1.4mm
Marine, Native - Endemic
North Cape, from 137m

Lissotesta errata Finlay, 1926
Height 1.4mm, Width 1.3mm
Marine, Native - Endemic
Southern Norfolk Ridge, Three Kings Islands, eastern North Island, South Island, Challenger Plateau, Campbell Island and Chatham Rise, from 63-1023m

Lissotesta granum (Murdoch & Suter, 1906)
Width 1.8mm, Height 1.8mm
Marine, Native - Endemic
North-eastern North Island, from 37-807m

Lissotesta oblata Powell, 1940
Height 0.63mm, Width 0.9mm
Marine, Native - Endemic
Off Three Kings Islands, and Northland

Lissotesta otagoensis Dell, 1956
Height 2.2mm, Width 2.0mm
Marine, Native - Endemic
South-eastern South Island

Lissotestella caelata (Powell, 1937)
Height 0.85mm, Width 0.8mm
Marine, Native - Endemic
Three Kings Islands and western North Island (off Hokianga), from 252-805m

Lissotestella consobrina (Powell, 1940)
Height 0.85mm, Width 0.7mm
Marine, Native - Endemic
West Norfolk Ridge and Three Kings Islands, from 252-805m

Lissotestella cookiana Dell, 1956
Height 1.23mm, Width 1.0mm
Marine, Native - Endemic
North Island, Cook Strait

Lissotestella rissoaformis (Powell, 1931)
Height 1.53mm, Width 1.2mm
Marine, Native - Endemic
N of Auckland Islands, from 155-163m

Lissotestella tenuilirata (Powell, 1931)
Height 1.46mm, Width 1.46mm
Marine, Native - Endemic
South-eastern North Island, Challenger Plateau, eastern and south-western South Island, Auckland Islands, and Chatham Islands, from 163-1005m

Lissotestella tryphenensis (Powell, 1931)
Height 2.23mm, Width 2.25mm
Marine, Native - Endemic
North Island

Notosetia aoteana (Powell, 1937)
Height 1.2mm, Width 1.0mm
Marine, Native - Endemic
Southern Norfolk Ridge, West Norfolk Ridge and Three Kings Islands, from 327-1137m

Notosetia neozelanica (Suter, 1898)
Height 2.15mm, Width 1.5mm
Marine, Native - Endemic
South Island as far north as Pegasus Canyon, and Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, western Chatham Rise and Pukaki Rise, from 0-549m

Palazzia nautiliformis (Powell, 1927)
Width 0.62mm, Height 0.3mm
Marine, Native - Endemic
South-western South Island as far north as Doubtful Sound and Auckland Islands, from 64-163m

Palazzia ramosa (Powell, 1940)
Width 0.8mm, Height 0.5mm
Marine, Native - Endemic
Off North Cape, from 137m

Trenchia wolffi Knudsen, 1964
Marine, Native - Endemic
Kermadec Trench, from 5850-6730m

Xyloskenea consors B.A. Marshall, 1988
Width 2.05mm, Height 1.8mm
Marine, Native - Endemic, Alive on wood
Eastern North Island, South Island and Chatham Rise, from 396-1289m

Xyloskenea costulifera B.A. Marshall, 1988
Width 2.2mm, Height 1.7mm
Marine, Native - Endemic, Alive on wood
West Norfolk Ridge, North, South and Stewart Islands, Challenger Plateau and Chatham Rise, from 721-1549m

Xyloskenea depressa B.A. Marshall, 1988
Width 2.0mm, Height 1.2mm
Marine, Native - Endemic, Alive on wood
Eastern North Island, from 1000-1289m