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Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Maoricrypta (Genus)
> monoxyla (Species)
Genus Synonyms:
=Maoricrypta (Zeacrypta) Finlay, 1926
=Zeacrypta Finlay, 1926
Synonymised Names:
=Calyptraea monoxyla Lesson, 1831
=Crepidula contorta Quoy & Gaimard, 1832
=Crepidula monoxyla (Lesson, 1831)
Images: Maoricrypta monoxyla (Lesson, 1831)
On outside of Gastropods, Mangonui, Northland, NZ. 21mm
Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Maoricrypta (Genus)
> monoxyla (Species)
Genus Synonyms:
=Maoricrypta (Zeacrypta) Finlay, 1926
=Zeacrypta Finlay, 1926
Synonymised Names:
=Calyptraea monoxyla Lesson, 1831
=Crepidula contorta Quoy & Gaimard, 1832
=Crepidula monoxyla (Lesson, 1831)
Details: Maoricrypta monoxyla (Lesson, 1831)
Size/Grows to:
Length 30mm, Width 25mm
Distribution:
North Cape to Cape Runaway, intertidal to about 15 metres
Geographical Range:
AC
Notes:
Smooth Slipper Shell, Marine, Native - Endemic, Yellow animal, consistently lives on the outside of shells
Distribution Map
 
References and Publications
  • Morley, M.S., Hayward, B.W., Raven, J.L., Foreman, G.A., Grenfell, H.R. 2006 Intertidal and shallow subtidal biota of Mahia Peninsula, Hawkes Bay, Records of the Auckland Institute and Museum, 43 (p.33)
  • Marshall, B.A. 2003 A review of the Recent and late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda), The Veliger, 46(2) (p.122)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.149)

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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