| norway | | saccoglossus sp. 2 jtc-2014 | species | 2 | 0 |
| russia | | saccoglossus mereschkowskii | species | 2 | 0 |
| united states | | saccoglossus kowalevskii | species | 2 | 0 |
| united states | | saccoglossus sp. 1 jtc-2014 | species | 2 | 0 |
| united states | maryland | saccoglossus kowalevskii | species | 84538 | 0 |
| united states | massachusetts | saccoglossus kowalevskii | species | 68920 | 0 |
| united states | oregon | saccoglossus pusillus | species | 1 | 0 |