type specimen holotype Quaternary Holocene recent FEU-1023735
|  | identified by scientist Quaternary Holocene recent Greater North Sea Gullmar Fjord FEU-1024771
|  | identified by scientist Quaternary Holocene recent Greater North Sea Gullmar Fjord FEU-1024772
|  | identified by scientist Quaternary Holocene recent Greater North Sea Gullmar Fjord FEU-1024773
|  | identified by scientist Quaternary Holocene recent Greater North Sea Gullmar Fjord FEU-1024774
|  |