| canada | | brockmanniella brockmannii | species | 16 | 0 |
| canada | | cymatosira belgica | species | 3 | 0 |
| canada | | plagiogrammopsis vanheurckii | species | 3 | 0 |
| china | | minutocellus polymorphus | species | 2 | 0 |
| france | | extubocellulus spinifer | species | 3 | 0 |
| france | | uncultured minutocellus | species | 1 | 0 |
| germany | | arcocellulus mammifer | species | 2 | 0 |
| germany | | cymatosira belgica | species | 2 | 0 |
| germany | | extubocellulus cribriger | species | 2 | 0 |
| germany | | leyanella arenaria | species | 2 | 0 |
| japan | tokyo prefecture | minutocellus polymorphus | species | 3 | 0 |
| netherlands | | minutocellus polymorphus | species | 3 | 0 |
| united states | | minutocellus polymorphus | species | 3 | 0 |
| united states | | papiliocellulus elegans | species | 3 | 0 |
| united states | california | plagiogrammopsis vanheurckii | species | 3 | 0 |
| united states | florida | cymatosira belgica | species | 2 | 0 |
| united states | florida | cymatosira lorenziana | species | 3 | 0 |
| united states | florida | plagiogrammopsis sp. tn-2014 | species | 3 | 0 |
| united states | hawaii | plagiogrammopsis vanheurckii | species | 3 | 0 |
| united states | massachusetts | extubocellulus spinifer | species | 1 | 0 |
| united states | new jersey | minutocellus polymorphus | species | 2 | 0 |
| united states | new york | minutocellus polymorphus | species | 1 | 0 |
| united states | oregon | minutocellus polymorphus | species | 3 | 0 |
| united states | south carolina | cymatosira belgica | species | 2 | 0 |