| bosnia and herzegovina | | oikopleura longicauda | species | 2 | 0 |
| croatia | | oikopleura dioica | species | 3 | 0 |
| croatia | | oikopleura longicauda | species | 2 | 0 |
| japan | | oikopleura dioica | species | 3 | 0 |
| japan | aomori prefecture | oikopleura dioica | species | 2 | 0 |
| japan | hyogo prefecture | oikopleura dioica | species | 2 | 0 |
| japan | iwate prefecture | oikopleura longicauda | species | 2 | 0 |
| japan | kanagawa prefecture | oikopleura longicauda | species | 3 | 0 |
| japan | nagasaki prefecture | oikopleura dioica | species | 1 | 0 |
| japan | okinawa prefecture | oikopleura dioica | species | 5 | 0 |
| japan | wakayama prefecture | oikopleura dioica | species | 2 | 0 |
| norway | | oikopleura dioica | species | 74 | 0 |
| norway | | oikopleura labradoriensis | species | 2 | 0 |
| norway | hordaland county | oikopleura dioica | species | 69 | 0 |
| spain | catalonia | oikopleura dioica | species | 2 | 0 |
| united states | alaska | oikopleura labradoriensis | species | 1 | 0 |
| united states | oregon | oikopleura dioica | species | 1 | 0 |