Grandicrepidula collinae B.A. Marshall, 2003 Length 48mm, Width 22mm Marine, Native - Endemic, Found behind outer lip of living or dead/hermit-crab Gastropod shells Eastern Northland southward to the Snares, from 228-587m |
Maoricrypta costata (G.B. Sowerby I, 1824) Length 60mm, Width 40mm Ribbed Slipper Shell, Marine, Native - Endemic, Attached to undersides of rocks and on living Perna canaliculus Northland to Mahia, from 0-74m |
Maoricrypta kopua (B.A. Marshall, 2003) Length 28mm Marine, Native - Endemic, Living within apertures of dead/hermit crabbed Gastropods. Animal whitish, translucent Three Kings Islands, and north-eastern North Island as far south-east as Ranfurly Bank, from 78-805m |
Maoricrypta monoxyla (Lesson, 1831) Length 30mm, Width 25mm Smooth Slipper Shell, Marine, Native - Endemic, Yellow animal, consistently lives on the outside of shells Northern North Island as far south-east as Cape Runaway, from 0-15m |
Maoricrypta sodalis B.A. Marshall, 2003 Length 37mm, Width 20mm Marine, Native - Endemic, White animal. Typically found within apertures of dead gastropods North, South, Stewart and Snares Island, from 0-925m |
Maoricrypta youngi Powell, 1940 Length 29mm, Width 22mm, Height 8mm Marine, Native - Endemic, Living on Gastropods North Cape to Cook Strait, from 0-88m |
Sigapatella novaezelandiae (Lesson, 1831) Length 42mm, Height 25mm Circular Slipper Shell, Marine, Native - Endemic, Attached to hard substrate Three Kings, North, South, Stewart, Snares, Auckland, Campbell, Bounty and Chatham Islands, and Mernoo Bank, from 0-420m |
Sigapatella spadicea Boshier, 1961 Length 21mm, Width 18mm Marine, Native - Endemic, Attached to hard substrate/shells Spinose surface periostracum/epidermis North, South and Stewart Island, from 4-533m |
Sigapatella superstes Fleming, 1958 Length 30mm, Height 12mm Marine, Native - Endemic, Granulose surface pattern Three Kings Islands, and north-eastern North Island as far south as The Aldermen Islands, from 0-805m |
Sigapatella tenuis (Gray, 1867) Length 23mm, Height 10mm Marine, Native - Endemic, Attached to hard substrate. Oblique spiral threads on the teleoconch, smooth periostracum when not worn off North, South, Stewart and Chatham Islands, and Mernoo Bank, from 0-604m |
Sigapatella terraenovae Peile, 1924 Length 34mm, Height 20mm Marine, Native - Endemic, Living attached to hard substrate, Off Three Kings Islands, Far North and Ranfurly Bank, East Cape, from 0-622m |