type specimen lectotype Neogene Miocene Vienna Basin Baden FEU-1006976
| | identified by scientist Quaternary Holocene recent off Argentina Challenger Station 315A FEU-1003609
| | identified by scientist Quaternary Holocene recent Coral Sea Challenger Station 185 FEU-1003610
| | identified by scientist Quaternary Holocene recent South China and Sulu Sea Challenger Station 205 FEU-1003630
| | identified by scientist Quaternary Holocene recent unknown FEU-1011232
| |
identified by scientist Quaternary Holocene recent Mediterranean Sea Ischia FEU-1015737
| | identified by scientist Quaternary Holocene recent Mediterranean Sea Ischia FEU-1015738
| | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Buesum FEU-1008164
| | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Masfjorden FEU-1025072
| | identified by M. Hesemann Neogene Miocene North European Plain Winterswijk Borehole FEU-1015992
| |