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Species List for Genus: Maoricrypta
Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Calyptraeoidea (Superfamily) > Calyptraeidae (Family) > Maoricrypta (Genus)
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  • Genus: Maoricrypta

  • Maoricrypta costata (G.B. Sowerby I, 1824)
    Length 60mm, Width 40mm, Ribbed Slipper Shell, Marine, Endemic
    Northland to Mahia, living intertidally to 47 metres, attached to undersides of rocks and on living Perna canaliculus ACE.
  • Maoricrypta kopua (Marshall, 2003)
    Length 28mm, Marine, Endemic, Animal whitish, translucent
    Three Kings Islands to East Cape, 78-805 metres. Living within apertures of dead/hermit crabbed Gastropods AE.
  • Maoricrypta monoxyla (Lesson, 1831)
    Length 30mm, Width 25mm, Smooth Slipper Shell, Marine, Endemic
    North Cape to Cape Runaway. Yellow animal, consistently lives on the outside of shells, intertidally to about 15 metres ACE.
  • Maoricrypta sodalis Marshall, 2003
    (=monoxyla of authors not Lesson, in part)
    Length 37mm, Width 20mm, Marine, Endemic, White animal. Typically found within apertures of dead gastropods
    North, South, Stewart, and Snares Islands, intertidally to 925 metres ACFE.
  • Maoricrypta youngi Powell, 1940
    (=profunda Beu & Maxwell not Hutton)
    Length 27mm, Width 22mm, Height 8mm, Marine, Endemic
    North Cape to Cook Strait, living on Gastropods, at low tide to 88 metres ACE.
Key to Geographical Ranges
NZ Map showing 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 approximation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
Fw =
L =
N =
North Island
S =
South Island
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I =
R =
Sf =
Fo =