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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:
Northern North Island as far south-east as Cape Runaway, intertidal to about 15 metres
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)

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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