| Reference no. | Chou, L.M. and K.S. Tan, 2008 |
| Ecosystem | Sunda Shelf |
| Status | native |
| Abundance | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | National Red List Statis: Critically endangered. Threats are habitat destruction and collection for shell curio trade. Abundance in small numbers up until the 1960's and it has been rare ever since. |