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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)
> Zemysia (Genus)
> rakiura (Species)
Genus Synonyms:
=Felaniella (Zemysia) Finlay, 1926
Synonymised Names:
=Diplodonta rakiura (Powell, 1939)
=Felaniella (Zemysia) rakiura (Powell, 1939)
Images: Zemysia rakiura Powell, 1939
Collected 7 Jan 1977, SW of Hare's Ears, Doubtful Sound entrance, Fiordland, NZ (M.058847). 11mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected 9 Nov 1962, off Antipodes Islands, NZ (M.154605). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
UNGULINIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Ungulinoidea (Superfamily)
> Ungulinidae (Family)
> Zemysia (Genus)
> rakiura (Species)
Genus Synonyms:
=Felaniella (Zemysia) Finlay, 1926
Synonymised Names:
=Diplodonta rakiura (Powell, 1939)
=Felaniella (Zemysia) rakiura (Powell, 1939)
Details: Zemysia rakiura Powell, 1939
Size/Grows to:
Width 11mm, Height 9mm
Distribution:
Lower South Island, Stewart, Chatham and southern Islands
Geographical Range:
FMAnE.
Notes:
Marine, 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.87)
  • Powell, A.W.B. 1939 The Mollusca of Stewart Island., Records of the Auckland Institute and Museum, 2 (p.224) Original Description

*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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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