 type specimen lectotype Neogene Miocene Vienna Basin Baden |
 identified by scientist Quaternary Holocene recent Inner Seas west off Scotland Porcupine Station AA |
 identified by scientist Quaternary Holocene recent off West Africa Challenger Station 352 |
 identified by scientist Quaternary Holocene recent Caribbean Challenger Station 23 |
 identified by scientist Quaternary Holocene recent Caribbean Challenger Station 23 |
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 identified by scientist Quaternary Holocene recent Inner Seas west off Scotland Porcupine Station AA |
 identified by scientist Quaternary Holocene recent |
 identified by scientist Quaternary Holocene recent off Brazil Campos Basin |
 identified by scientist Quaternary Holocene recent off Brazil Campos Basin |
 identified by M. Hesemann Quaternary Holocene recent Greenland Sea Fram Strait |
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 identified by M. Hesemann Quaternary Holocene recent Azores off Sao Miguel |
 identified by M. Hesemann Quaternary Holocene recent Azores off Sao Miguel |
 identified by M. Hesemann Quaternary Holocene recent Mediterranean Sea Alboran Ridge |
 identified by M. Hesemann Quaternary Holocene recent off West Africa Mauritanian Shelf |
 identified by M. Hesemann Quaternary Holocene recent off West Africa Mauritanian Shelf |
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 identified by M. Hesemann Quaternary Holocene recent Central North Atlantic Little Meteor Bank |
 identified by M. Hesemann Quaternary Pleistocene Mediterranean Torrente Stirone |