Distribution: Moderately common throughout the Solitary Islands Marine Park. Endemic to Australia, east coast from Ballina to Twofold Bay in southern New South Wales.

Ecological Notes: Found in intertidal and shallow subtidal zones on rocky shores.

Additional Notes: Shell is solid, whorls rounded. Irregularly patched with cream and dark brown, columellar and outer lip tan, deep interior of aperture white. Grows to 15 mm in length.

References: The Seashells of New South Wales, Des Beechey, Senior Fellow, Australian Museum, Release 25. Website at https://seashellsofnsw.org.au/Pisaniinae/Pages/Engina_australis.htm. Accessed 06/11/2018.