type specimen lectotype Quaternary Holocene recent Central North Atlantic see text FEU-1001768
| | identified by scientist Quaternary Holocene recent Unknown unknown FEU-1002666
| | identified by scientist Quaternary Holocene recent Unknown unknown FEU-1002667
| | identified by scientist Quaternary Holocene recent Unknown unknown FEU-1002668
| | identified by scientist Quaternary Holocene recent Unknown unknown FEU-1002669
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identified by scientist Quaternary Holocene recent Norwegian Sea Hardanger Fjord FEU-1002670
| | identified by scientist Quaternary Holocene recent Kerguelen and off Challenger Station 149 FEU-1002672
| | identified by scientist Quaternary Holocene recent unknown FEU-1010974
| | identified by scientist Quaternary Holocene recent unknown FEU-1010980
| | identified by scientist Quaternary Holocene recent Central North Atlantic see text FEU-1001769
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identified by scientist Cretaceous Lower Cretaceous Albian North European Plain Daehre FEU-1007741
| | identified by M. Hesemann Quaternary Holocene recent South of Iceland Reykjanes Ridge FEU-1006814
| | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Utsira and off FEU-1025327
| | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Utsira and off FEU-1025333
| | identified by M. Hesemann Neogene Miocene North European Plain Gross Pampau FEU-1015053
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identified by M. Hesemann Paleogene Oligocene Chattian North European Plain Kobrow FEU-1021321
| | identified by M. Hesemann Paleogene Oligocene Chattian North European Plain Kobrow FEU-1021322
| | identified by M. Hesemann Paleogene Oligocene Chattian North European Plain Kobrow FEU-1021323
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