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Species List for Family: Thyasiridae
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Mollusca (Phylum) > Bivalvia (Class) > Autobranchia (Subclass) > Heteroconchia (Infraclass) > Euhetrodonta (Subterclass) > Imparidentia (Superorder) > Lucinida (Order) > Thyasiroidea (Superfamily) > Thyasiridae (Family)
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  • Family: Thyasiridae

  • Genaxinus cookianus Fleming, 1950
    Width 1mm, Height 1.1mm
    Marine, Endemic
    North, South and Chatham Islands. From about 50 metres to over 500 metres
    ACFME.
  • Genaxinus otagoensis (Suter, 1913)
    Width 4.5mm, Height 4.5mm
    Marine, Endemic
    South Island, Chathams, Auckland, Campbell Island. Off Otago Heads to Fiordland, 25 to over 100 metres
    FE.
  • Maorithyas flemingi Powell, 1955
    Height 10mm, Width 8mm
    Marine, Endemic
    Off Auckland and Campbell Islands
    AnE.
  • Maorithyas marama Fleming, 1950
    Width 18mm, Height 17mm
    Endemic
    Lower North Island, South and Stewart Island. Waikanae Beach, Wellington south
    CFE.
  • Parathyasira neozelanica Iredale, 1930
    Width 9mm, Height 9mm
    Marine, Endemic
    Off North Cape to Otago, trawled 60 to over 600 metres
    ACFE.
  • Prothyasira peregrina (Iredale, 1930)
    Height 10mm, Width 8.5mm
    Marine, Endemic
    North, South, Stewart and Chatham Islands. From 3 to around 600 metres
    ACFME.
  • Prothyasira waikanae (Fleming, 1950)
    Width 7.5mm, Height 7.8mm
    Marine, Endemic
    Waikanae Beach, Wellington
    CE.
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