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

  • Grandicrepidula collinae B.A. Marshall, 2003
    Length 48mm, Width 22mm, Marine, Endemic
    Eastern Northland southward to the Snares. Found behind outer lip of living or dead/hermit-crab Gastropod shells, 175-590 metres ACFE.
  • 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 (B.A. 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 B.A. Marshall, 2003
    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
    Length 27mm, Width 22mm, Height 8mm, Marine, Endemic
    North Cape to Cook Strait, living on Gastropods, at low tide to 88 metres ACE.
  • Sigapatella novaezelandiae (Lesson, 1831)
    Length 42mm, Height 25mm, Circular Slipper Shell, Marine, Endemic
    North, South, Stewart, Chatham, Auckland, Snares and Campbell Islands. Living intertidally to 200 metres, attached to hard substrate ACFMAnE.
  • Sigapatella spadicea Boshier, 1961
    Length 21mm, Width 18mm, Marine, Endemic, Spinose surface periostracum/epidermis
    North, South and Stewart Island. 4-533 metres attached to hard substrate/shells ACFE.
  • Sigapatella superstes Fleming, 1958
    Width 28mm, Height 12mm, Marine, Endemic, Granulose surface pattern
    Off Three Kings Islands and off Northern tip of North Island. (1 juvenile off Aldermen Islands), 0-805 metres AE.
  • Sigapatella tenuis (Gray, 1867)
    Width 16mm, Height 9mm, Marine, Endemic, Oblique spiral threads on the teleoconch, smooth periostracum when not worn off
    Three Kings, North, South, Stewart and Chatham Islands. 0-604 metres, attached to hard substrate ACFME.
  • Sigapatella terraenovae Peile, 1924
    Width 30mm, Height 20mm, Marine, Endemic
    Off Three Kings Islands, Far North and Ranfurly Bank, East Cape. Attached to hard substrate, 27-93 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
E =
I =
R =
Sf =
Fo =