NZ Mollusca

Berthella medietas Burn, 1962

Berthella medietas
Low tide under rock, Henderson Bay, Far North, NZ, animal 25-30mm
Classification: Mollusca - Gastropoda - Heterobranchia - Pleurobranchomorpha - Pleurobranchidae - Berthella
Synonyms: (=Bouvieria Vayssière)
(=aurantiaca Powell)
Size/Grows to: Height 13mm, Length 35mm (animal)
Distribution: Northland east coast and Chatham Islands. Also Mediterranean, Azores and western Atlantic [A.C.F.M.An.]
Some known Localities
  • Henderson Bay, Far North, NZ
  • Taurikura, Whangarei Heads, Northland, NZ
  • Martins Bay, Auckland, NZ
  • Morley, M.S., Hayward, B.W. 2015: Intertidal records of 'sea slugs' (nudibranchs and allied opisthobranch gastropods) from northern North Island, New Zealand, Records of the Auckland Institute and Museum, 50 (p.64)
  • Willan, R.C. 1983: New Zealand side-gilled sea slugs (Opisthobranchia: Notaspidea: Pleurobranchidae), Malacologia, 23(2) (p.243)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.282)

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