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
| |