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
| |