NZ Mollusca

Rissoina zonata Suter, 1909

Rissoina zonata
In a low tidal rock pool, Doubtless Bay, Northland, NZ, 11mm
Classification: Mollusca - Gastropoda - Caenogastropoda - Littorinimorpha - Rissoinidae - Rissoina
Size/Grows to: Height 11.5mm, Width 4.5mm
Distribution: Northland to Cape Runaway [A.]
Notes: Endemic. Usually white, but occasionally with a broad basal brown zone
Some known Localities
  • Tasman Bay, Great Island, Three Kings Islands, NZ
  • Whatuwhiwhi, Karikari Peninsula, Northland, NZ, under rocks at low tide
  • Coopers Beach, Doubtless Bay, Northland, NZ
  • Reef Point, Ahipara, Far North, NZ
  • Waewaetorea Passage, 4 metres, Bay of Islands, Northland, NZ
  • Bay of Islands, Northland, NZ, (holotype)
  • Goat Island (Motuarahi), Paihia, Bay of Islands, Northland, NZ
  • Bland Bay, Northland, NZ, 10-12 metres
  • Ocean Beach, Whangarei Heads, Northland, NZ
  • Oruawharo Bay, Great Barrier Island, Hauraki Gulf, NZ
  • Cape Runaway, Bay of Plenty, NZ
  • Matakaoa Point, Hicks Bay, East Cape, NZ
  • Waihau Bay, East Cape, NZ
  • Cemetary Point, Waihau Bay, East Cape, NZ
  • Off North Rock, Mount Maunganui, Bay of Plenty, NZ
  • Te Kaha, SW of Cape Runaway, Bay of Plenty, NZ
  • Motunui Rock, Omaio Bay, Te Kaka, Bay of Plenty, NZ
more localities
  • Gardner, N.W. Aug/1979: Rissoina from Northern Beaches, Poirieria, 10(3) (p.43)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.107)

Note: Localities are approximate, and represent only some of the known localities for the species.