NZ Mollusca

Agnewia tritoniformis (Blainville, 1833)

Agnewia tritoniformisFrom Spirits Bay, Far North, 27mm
Agnewia tritoniformisFrom shallow water, Northland, NZ, 22mm
Agnewia tritoniformisFrom shallow water, Northland, NZ, 22mm
Classification: Mollusca - Gastropoda - Caenogastropoda - Neogastropoda - Muricidae: Rapaninae - Agnewia
Size/Grows to: Height 29mm, Width 16mm
Distribution: Northland to Bay of Plenty. Also Australia, Queensland to SA and Tasmania [A.]
Some known Localities
  • Kapowairua, Spirits Bay, Far North, NZ
  • Paxton Point, Great Exhibition Bay, Far North, NZ
  • Matai Bay, Karikari Peninsula, Northland, NZ
  • Russell, Bay of Islands, Northland, NZ
  • Reotahi, Whangarei Heads, Northland, NZ
  • Ocean Beach, Whangarei Heads, Northland, NZ
  • Great Barrier Island, Hauraki Gulf, NZ
  • Army Bay, Whangaparaoa Peninsula, Auckland, NZ
  • Western Bay, Mayor Island, Bay of Plenty, NZ
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.181)
  • Richardson, E.S. 1953 Distribution in New Zealand of the Australian Gastropod Agnewia tritoniformis (Blainville), New Zealand Journal of Science and Technology, 35(1) (p.39)

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