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Taxonomy
Family:
THYASIRIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Lucinida (Order)
> Thyasiroidea (Superfamily)
> Thyasiridae (Family)
> Maorithyas (Genus)
> marama (Species)
Images: Maorithyas marama Fleming, 1950
Dredged in 60 metres, between Taiaroa Head and Taiaroa Canyon, Otago, NZ. 5mm
Dredged in 60 metres, between Taiaroa Head and Taiaroa Canyon, Otago, NZ. 5mm
Collected Nov 1934, 24 metres George Sound, Fiordland, NZ (MA11342). © Auckland Museum (CC-BY)
Taxonomy
Family:
THYASIRIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Lucinida (Order)
> Thyasiroidea (Superfamily)
> Thyasiridae (Family)
> Maorithyas (Genus)
> marama (Species)
Details: Maorithyas marama Fleming, 1950
Size/Grows to:
Width 18mm, Height 17mm
Distribution:
Eastern and south-western South Island and Stewart Island. From approx. 5-400 metres
Geographical Range:
CF
Notes:
Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.387)
  • Fleming, C.A. 1950 New Zealand Recent Thyasiridae (Mollusca), Transactions and Proceedings of the Royal Society of New Zealand, 78(2) (p.253) 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
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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