Shells of South
East Queensland

Flat Rock,  Australia
Size: 0mm    Collected: 1998
found on rocky reef in 5m of water

Sykes Reef,  Australia
Size: 39mm    Collected: 2019
Under slabs of dead coral on weather edge of intertidal reef.

Tufi,  Papua New Guinea
Size: mm    Collected: 1984
found on rocks in sand close to a coral reef in about 1m of water about 2m from shore