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Taxonomy
Family:
UNGULINIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Ungulinoidea (Superfamily)
> Ungulinidae (Family)
> Zemysina (Genus)
> striatula (Species)
Genus Synonyms:
=Diplodonta (Zemysina) Finlay, 1926
=Zemysia (Zemysina) Finlay, 1926
Synonymised Names:
=Diplodonta (Zemysina) striatula (Finlay, 1926)
=Diplodonta striata Hutton, 1878
=Diplodonta striatula (Finlay, 1926)
=Zemysia (Zemysina) striatula Finlay, 1926
=Zemysia striatula Finlay, 1926
Images: Zemysina striatula (Finlay, 1926)
In a sandy rock pool, at low tide, Northland, NZ. 15mm
In shallow water to about 70 metres. Often washed up on beaches
Taxonomy
Family:
UNGULINIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Ungulinoidea (Superfamily)
> Ungulinidae (Family)
> Zemysina (Genus)
> striatula (Species)
Genus Synonyms:
=Diplodonta (Zemysina) Finlay, 1926
=Zemysia (Zemysina) Finlay, 1926
Synonymised Names:
=Diplodonta (Zemysina) striatula (Finlay, 1926)
=Diplodonta striata Hutton, 1878
=Diplodonta striatula (Finlay, 1926)
=Zemysia (Zemysina) striatula Finlay, 1926
=Zemysia striatula Finlay, 1926
Details: Zemysina striatula (Finlay, 1926)
Size/Grows to:
Width 19mm, Height 17mm
Distribution:
North, South, Stewart and Chatham Islands. From low tide to over 250 metres
Geographical Range:
ACM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.388)
  • Jun/1974 Diplodonta - Sorting them out, Poirieria, 7(4) (p.86)
  • Finlay, H. 1926 A Further Commentary on New Zealand Molluscan Systematics, Transactions and Proceedings of the Royal Society of New Zealand, 57 (p.462) Original Description

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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