type specimen holotype Quaternary Holocene recent Celtic Seas FEU-1024137
|  | identified by scientist Quaternary Holocene recent Iberian Peninsula Guadiana Estuary FEU-1010704
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Norderney FEU-1023869
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Norderney FEU-1023870
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Amrum FEU-1023359
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identified by M. Hesemann Quaternary Holocene recent Greater North Sea Norderney FEU-1023871
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Amrum FEU-1023360
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Amrum FEU-1023361
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Amrum FEU-1023362
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Amrum FEU-1023365
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