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Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Sigapatella (Genus)
> novaezelandiae (Species)
Genus Synonyms:
=Calyptraea (Sigapatella) Lesson, 1831
=Clypeola Gray, 1868
=Sigapatella (Sigapatella) Lesson, 1831
=Sigapatella (Spirogalerus) Finlay & Marwick, 1937
=Spirogalerus Finlay & Marwick, 1937
=Zegalerus Finlay, 1926
Synonymised Names:
=Calyptraea (Sigapatella) novaezelandiae Lesson, 1831
=Calyptraea inflata Hutton, 1893
=Calyptraea novaezelandiae Lesson, 1831
=Crepidula maculata Quoy & Gaimard, 1832
=Sigapatella (Sigapatella) novaezelandiae (Lesson, 1831) accepted, alternate representation
Images: Sigapatella novaezelandiae (Lesson, 1831)
In beach drift, Bream Bay, Northland, NZ. 31mm
In beach drift, Bream Bay, Northland, NZ. 31mm
In beach drift, Bream Bay, Northland, NZ. 31mm
Under rocks at low tide, north Auckland, NZ
Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Sigapatella (Genus)
> novaezelandiae (Species)
Genus Synonyms:
=Calyptraea (Sigapatella) Lesson, 1831
=Clypeola Gray, 1868
=Sigapatella (Sigapatella) Lesson, 1831
=Sigapatella (Spirogalerus) Finlay & Marwick, 1937
=Spirogalerus Finlay & Marwick, 1937
=Zegalerus Finlay, 1926
Synonymised Names:
=Calyptraea (Sigapatella) novaezelandiae Lesson, 1831
=Calyptraea inflata Hutton, 1893
=Calyptraea novaezelandiae Lesson, 1831
=Crepidula maculata Quoy & Gaimard, 1832
=Sigapatella (Sigapatella) novaezelandiae (Lesson, 1831) accepted, alternate representation
Details: Sigapatella novaezelandiae (Lesson, 1831)
Size/Grows to:
Length 42mm, Height 25mm
Distribution:
Three Kings, North, South, Stewart, Snares, Auckland, Campbell, Bounty and Chatham Islands, and Mernoo Bank. Living intertidally to 200 metres, attached to hard substrate
Notes:
Circular Slipper Shell, Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 2003 A review of the Recent and late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda), The Veliger, 46(2) (p.130)
  • Cumber, R.A. Aug/1981 An unusual form of Zegalerus sp. from Great Exhibition Bay, Poirieria, 11(1) (p.5)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.148)
  • Wood Oct/1974 Notes of Interest: Sigapatella novaezelandiae, Poirieria, 7(5)

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