type specimen holotype Quaternary Holocene recent unknown FEU-1012597
|  | identified by scientist Quaternary Holocene recent Greater North Sea Fensfjord - Lurefjord Area FEU-1023530
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1024346
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1024347
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1024348
|  |