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Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Maoricrypta (Genus)
> youngi (Species)
Genus Synonyms:
=Maoricrypta (Zeacrypta) Finlay, 1926
=Zeacrypta Finlay, 1926
Synonymised Names:
=Crepidula youngi (Powell, 1940)
=profunda Beu & Maxwell not Hutton
Images: Maoricrypta youngi Powell, 1940
In beach drift, Cape Maria van Diemen, Far North, NZ. 16mm
Holotype, from Cape Maria van Diemen, Far North, NZ (MA70437). © Auckland Museum (CC-BY)
Holotype, from Cape Maria van Diemen, Far North, NZ (MA70437). © Auckland Museum (CC-BY)
Taxonomy
Family:
CALYPTRAEIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Calyptraeoidea (Superfamily)
> Calyptraeidae (Family)
> Maoricrypta (Genus)
> youngi (Species)
Genus Synonyms:
=Maoricrypta (Zeacrypta) Finlay, 1926
=Zeacrypta Finlay, 1926
Synonymised Names:
=Crepidula youngi (Powell, 1940)
=profunda Beu & Maxwell not Hutton
Details: Maoricrypta youngi Powell, 1940
Size/Grows to:
Length 29mm, Width 22mm, Height 8mm
Distribution:
North Cape to Cook Strait, living on Gastropods, at low tide to 88 metres
Notes:
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.121)
  • Beu, A.G., Maxwell, P.A. 1990 Cenozoic Mollusca of New Zealand, New Zealand Geological Survey, 58 (p.259)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.149)
  • Gardner, N.W. Jul/1978 Maoricrypta youngi Powell, a Northern Species, Poirieria, 9(5)
  • Powell, A.W.B. 1940 The Marine Mollusca of the Aupourian Province, New Zealand, Transactions and Proceedings of the Royal Society of New Zealand, 70 (p.232) Original Description

*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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