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Species List for Family: Cassidae
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Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Tonnoidea (Superfamily) > Cassidae (Family)
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  • Family: Cassidae

  • Galeodea plauta Beu, 2008
    Height 55mm, Marine, Recent, Fossil, Endemic
    Off Ahipara, Northland 290-500 metres. Also Castlecliff (Upper Westmere Siltstone), Wanganui ACR.Fo.E.
  • Galeodea triganceae Dell, 1953
    Height 49mm, Width 33mm, Marine, Endemic
    Off North, South, Stewart and Chatham Islands ACFME.
  • Oocorys sulcata Fischer, 1884
    Height 55mm, Width 35mm, Marine
    World-wide, northern New Zealand and Kermadecs KA
  • Oocorys verrillii (Dall, 1889)
    Height 36mm, Marine
    Norfolk Ridge, NW of Cape Reinga A
  • Casmaria perryi (Iredale, 1912)
    Height 53mm, Width 27mm, Marine
    SE Australia, Kermadec Islands and Northland east coast KA
  • Semicassis labiata (Perry, 1811)
    Height 83mm, Width 52mm, Marine
    Northern part of North Island to Mahia. Victoria to Queensland and Norfolk Island AC
  • Semicassis pyrum (Lamarck, 1822)
    Height 85mm, Width 55mm, Helmet Shell, Marine
    North, South, Stewart and Chatham Islands ACFM
  • Semicassis royana (Iredale, 1914)
    Height 150mm, Width 80mm, Marine
    Off Three Kings to Northland east coast, in craypots around 40 metres. Also off Kermadec Islands KA
  • Semicassis sophia (Brazier, 1872)
    Height 90mm, Width 55mm, Marine
    Northern. Off Northland east coast. Also Queensland to New South Wales and Kermadec Islands KA
  • Semicassis thomsoni (Brazier, 1876)
    Height 80mm, Width 55mm, Marine, Distinguished by the deeply indented margin of the columellar shield
    Off east coast Northland to Bay of Plenty, New Zealand. Also Australia A
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 =