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A clump of small grey-blue marine snails huddled in a nook in a rock pool. The smooth snail shells were about 10 mm long with at least 3 whorls and a brown apex.
Spotted in a rockpool along the high intertidal zone - Westernport Bay.
Occurrence record: https://bie.ala.org.au/species/urn:lsid:...
The species is only one of its genus in Australia. The snails graze on algae and lichen on the rocks.