type specimen holotype Paleogene Oligocene unknown FEU-1022286
| | identified by scientist Quaternary Holocene recent unknown FEU-1011999
| | identified by M. Hesemann Quaternary Holocene recent South of Iceland Reykjanes Ridge FEU-1017860
| | identified by M. Hesemann Quaternary Holocene recent South of Iceland Reykjanes Ridge FEU-1018693
| | identified by M. Hesemann Quaternary Holocene recent off West Africa Mauritanian Slope FEU-1018848
| |