DSC_9725 Knobbed top snail (Diloma bicanaliculata) a solid, conical and flattened shell with prominent nodules arranged spirally. Found at mid to high tide levels on the underside of smooth boulders on semi-exposed to exposed rocky shores. Butterfly Bay, Huriawa Peninsula
DSC_2266 Sparse-spotted black top snail, or maihi (Diloma aridum) showing characteristic scattering of some yellowish-white spots on shell. Found on sheltered mid-tide rocks. Oaro, Kaikoura Coast *
DSC_0823 Mudflat top snail (Diloma subrostrata) a common estuarine species, highly variable in shape, sculpture and colour. A characteristic feature is the outer lip of the shell which is always yellow. Found on sheltered muddy shores in estuaries and harbours. Lamlash Bay, Otago Harbour *
