type specimen holotype Quaternary Holocene recent unknown FEU-1022706 | identified by scientist Quaternary Holocene recent Sea of Japan and around Challenger Station 232 FEU-1003420 | identified by scientist Quaternary Holocene recent Banda, Timor and Arafura Sea Sahul Shelf and Timor Sea FEU-1020729 | identified by scientist Quaternary Holocene recent Banda, Timor and Arafura Sea Sahul Shelf and Timor Sea FEU-1020730 |