Erronea xanthodon (Sowerby, 1832)
Relatively common throughout the Solitary Islands Marine Park. Ranges from Queensland to northern New South Wales.
Frequents areas of rocky and coral reef, rubble areas, often under rocks or slabs.
One of the more common cowries in New South Wales, endemic to eastern Australia. Identified by blue grey banded dorsal surface (top photograph) and the strong darker coloured teeth on a coloured base (lower photograph). Grows to at least 39mm in length.