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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, Native - Endemic
    North-western North Island. Also Castlecliff (Upper Westmere Siltstone), Wanganui
  • Galeodea triganceae Dell, 1953
    Height 55mm, Width 35mm
    Marine, Native - Endemic
    Eastern and southern North Island, eastern South Island, Auckland Islands, Pukaki Rise and Chatham Rise
  • Oocorys sulcata Fischer, 1884
    Height 55mm, Width 35mm
    Marine, Native - Non-endemic
    Cosmopolitan. Lord Howe Rise, W of Three Kings Islands and off Cape Runaway
  • Oocorys verrillii (Dall, 1889)
    Height 36mm
    Marine, Native - Non-endemic
    Cosmopolitan. Southern Norfolk Ridge
  • Casmaria perryi (Iredale, 1912)
    Height 64mm, Width 32mm
    Marine, Native - Non-endemic
    Wanganella Bank, Raoul Island and north-eastern North Island as far south as Great Barrier Island. Also SE Australia
  • Semicassis labiata (Perry, 1811)
    Height 93mm, Width 58mm
    Marine
    Northern and south-western North Island. Victoria to Queensland and Norfolk Island
  • Semicassis pyrum (Lamarck, 1822)
    Height 118mm, Width 77mm
    Helmet Shell, Marine, Native - Non-endemic
    Three Kings, North, South, Stewart, Snares and Auckland Islands, and Chatham Rise
  • Semicassis royana (Iredale, 1914)
    Height 165mm, Width 88mm
    Marine, Native - Non-endemic
    Raoul and Three Kings Islands, and north-eastern North Island as far south-east as Ranfurly Bank
  • Semicassis sophia (Brazier, 1872)
    Height 98mm, Width 60mm
    Marine, Native - Non-endemic
    Kermadec Islands and north-eastern North Island as far south as Tutukaka. Also Queensland to New South Wales
  • Semicassis thomsoni (Brazier, 1876)
    Height 80mm, Width 55mm
    Marine, Native - Non-endemic, Distinguished by the deeply indented margin of the columellar shield
    Raoul Island and north-eastern North Island as far south as Bay of Plenty. Also Australia
NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil