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Species List for Subfamily: Chioninae
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Mollusca (Phylum) > Bivalvia (Class) > Autobranchia (Subclass) > Heteroconchia (Infraclass) > Euhetrodonta (Subterclass) > Imparidentia (Superorder) > Venerida (Order) > Veneroidea (Superfamily) > Veneridae (Family) > Chioninae (Subfamily)
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  • Subfamily: Chioninae

  • Austrovenus stutchburyi (W. Wood, 1828)
    Width 60mm, Height 54mm, Cockle, Marine, Endemic
    North, South, Stewart and Chatham Islands ACFMAnE.
  • Bassina yatei (Gray, 1835)
    Width 55mm, Height 42mm, Frilled Venus Shell, Marine, Endemic
    North, South and Stewart Island ACFE.
  • Leukoma crassicosta (Deshayes, 1835)
    Width 50mm, Height 40mm, Marine, Endemic
    North, South, Stewart and Chatham Islands ACFME.
  • Tawera marionae Finlay, 1928
    Length 33mm, Height 28mm, Marine, Endemic
    Off Otago and Chatham Islands FME.
  • Tawera mawsoni (Hedley, 1916)
    Width 40mm, Height 32mm, Marine, Endemic
    Off Macquarie Island AnE.
  • Tawera phenax (Finlay, 1930)
    Width 58mm, Height 52mm, Marine, Endemic
    South Island, off Taiaroa Head, Otago. Snares and Auckland Islands. Dredged around 90-100 metres FAnE.
  • Tawera rosa Powell, 1955
    Width 48mm, Height 42mm, Marine, Endemic, Finer sculpture than T. sphaericula, and less inflated
    Auckland Islands AnE.
  • Tawera sphaericula Deshayes, 1853
    Width 36mm, Height 35mm, Marine, Endemic, Coarse concentric ridges. Bluntly rounded beaks, very thick and solid
    Auckland Islands, dredged 15-65 metres AnE.
  • Tawera spissa (Deshayes, 1835)
    Width 27mm, Height 22mm, Marine, Common on sandy beaches. Highly variable patterns, usually zigzags or streaks
    North, South, Stewart and Chatham Islands ACFM
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.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
Fw =
L =
N =
North Island
S =
South Island
E =
I =
R =
Sf =
Fo =