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
|  |