Bullina cf. lauta Pease, 1860 Height 20mm, Width 11mm Marine, More heavily calcified than B.lineata, with many more axial red lines North Island, Cavalli Islands. Also Hawaii A |
Bullina cf. melior (Iredale, 1929) Height 15mm, Width 10.5mm Marine, Broader than B.lineata, with a more depressed spire and stronger sculpture Northland. Tokerau Beach, Great Barrier Island. Also Sydney Harbour, New South Wales A |
Bullina lineata (Gray, 1825) Height 23mm, Width 13mm Marine, Feeds on polychaete worms Throughout the tropical and subtropical Indo-West Pacific, Japan, Australia to Kermadec Islands and New Zealand. North Island, Northland to Bay of Plenty KA |
Bullina vitrea Pease, 1860 Height 12.5mm, Width 8mm Marine, Colour pattern where axial lines do not extend beyond the first red spiral. Pure white animal North Island. Bay of Islands 15 metres. Kermadec Islands KA |
Hydatina albocincta (Van der Hoeven, 1839) Height 47mm, Width 40mm Marine Northland east coast harbours. Also Japan to northern Australia A |
Hydatina physis (Linnaeus, 1758) Height 60mm, 50mm Rose Petal Bubble Shell, Marine Worldwide in warm seas. Northland east coast to Coromandel KA |