Bulla quoyii Gray in Dieffenbach, 1843 Height 66mm, Width 37mm, Brown Bubble Shell. Marine. Presence of spiral striations around base North Island and Kermadec Islands KAC
Bulla vernicosa Gould, 1859 (=angasi of authors not Pilsbry, =subtropicalis Powell) Height 32mm, Width 20mm, Subtropical Bubble Shell. Marine. More solid than B.quoyi, outer lip is flattened. No spiral grooves on the base Northland east coast. Also Japan, Australia, Fiji, Norfolk and Kermadec Islands KA
Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species.
They have been adopted to give an approxomation of the range of each species within New Zealand.
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island