Shells of South
East Queensland

Caloundra [Nth Headland],  Australia
Size: mm    Collected: 1989
found dead in sand, washed up after a storm common in the area, but only dead

New Georgia,  Solomon Islands
Size: 73.2mm    Collected: Unknown
Taken by diver

Rabaul,  Papua New Guinea
Size: 70.9mm    Collected: 2015
data labile unclear- perhaps brought at local market

Davao,  Philippines
Size: 70.9mm    Collected: 2015
taken by diver

Colombo,  Sri Lanka
Size: 80mm    Collected: Unknown
On sand and mud bottom 50-80m depth Trawled by commercial shrimp boats