NZ Mollusca

Janthina globosa Swainson, 1826

Janthina globosa
Washed up on ocean beaches, 24mm
Janthina globosa
Washed up on high tide line, Karikari Peninsula, Northland, 22mm
Classification: Mollusca - Gastropoda - Caenogastropoda - Ptenoglossa - Epitoniidae - Janthina
Size/Grows to: Height 32mm, Width 26mm
Distribution: Pelagic. Occasionally washed ashore on Northland east coast beaches [A.]
Notes: Violet Snail
Some known Localities
  • Spirits Bay, Far North, NZ
  • Tapotupotu Bay, Far North, NZ
  • Te Werahi Beach, Cape Maria van Diemen, Far North, NZ
  • Matai Bay, Karikari Peninsula, Northland, NZ
  • Great Barrier Island, Hauraki Gulf, NZ
  • Goat Island, Leigh, Northland, NZ
  • Mercury Islands, Bay of Plenty, NZ
  • Matakana Island, Bay of Plenty, NZ
  • Beu, A.G. 2017: Evolution of Janthina and Recluzia (Mollusca: Gastropoda: Epitoniidae), Records of the Australian Museum, 63(3) (p.181)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.254)

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