| australia | | quadrulella quadrigera | species | 1 | 0 |
| australia | tasmania | apodera vas | species | 1 | 0 |
| brazil | | arcella intermedia | species | 5 | 0 |
| brazil | | arcella intermedia laevis | subspecies | 11 | 0 |
| brazil | sao paulo | arcella intermedia | species | 1 | 0 |
| brazil | sao paulo | arcella intermedia laevis | subspecies | 1 | 0 |
| bulgaria | | bullinularia gracilis | species | 2 | 0 |
| bulgaria | | difflugia acuminata | species | 1 | 0 |
| bulgaria | | difflugia labiosa | species | 1 | 0 |
| bulgaria | | difflugia lanceolata | species | 1 | 0 |
| bulgaria | | difflugia nodosa | species | 1 | 0 |
| bulgaria | | difflugia pyriformis | species | 4 | 0 |
| bulgaria | | netzelia oviformis | species | 2 | 0 |
| bulgaria | | trigonopyxis arcula | species | 4 | 0 |
| canada | | hyalosphenia papilio | species | 7 | 0 |
| canada | | nebela flabellulum | species | 2 | 0 |
| canada | | nebela sp. tjt-2014 | species | 1 | 0 |
| china | | difflugia mulanensis | species | 3 | 0 |
| china | | difflugia tuberspinifera | species | 17 | 0 |
| china | | nebela jiuhuensis | species | 1 | 0 |
| china | beijing | arcella hemisphaerica | species | 0 | 1 |
| costa rica | alajuela province | nebela penardiana var. minor | varietas | 1 | 0 |
| new zealand | taranaki | apodera vas | species | 337 | 0 |
| russia | | nebela collaris | species | 1 | 0 |
| south africa | | mrabella subcarinata | species | 3 | 0 |
| south africa | | quadrulella alata | species | 4 | 0 |
| south africa | | quadrulella madibai | species | 2 | 0 |
| spain | | difflugia acuminata | species | 4 | 0 |
| spain | | difflugia bryophila | species | 2 | 0 |
| spain | madrid | difflugia acuminata | species | 1 | 0 |
| sweden | | hyalosphenia papilio | species | 1 | 0 |
| sweden | | nebela carinata | species | 1 | 0 |
| sweden | | nebela tincta var. major | varietas | 1 | 0 |
| sweden | | nebela tincta var. tincta | varietas | 1 | 0 |
| switzerland | | arcella sp. tjt-2014 | species | 1 | 0 |
| switzerland | | heleopera rosea | species | 1 | 0 |
| switzerland | | hyalosphenia elegans | species | 1 | 0 |
| switzerland | | hyalosphenia papilio | species | 16 | 0 |
| switzerland | | nebela carinata | species | 1 | 0 |
| switzerland | | nebela gimlii | species | 2 | 0 |
| switzerland | | nebela marginata | species | 3 | 0 |
| switzerland | | nebela penardiana var. penardiana | varietas | 1 | 0 |
| switzerland | | quadrulella symmetrica | species | 12 | 0 |
| switzerland | | quadrulella variabilis | species | 6 | 0 |
| switzerland | | uncultured arcellinida | species | 1 | 0 |
| switzerland | | uncultured nebela | species | 74 | 0 |
| switzerland | neuchatel region | netzelia oviformis | species | 1 | 0 |
| united kingdom | | arcella sp. tjt-2014 | species | 1 | 0 |
| united kingdom | scotland | nebela flabellulum | species | 1 | 0 |
| united states | massachusetts | arcella discoides | species | 6 | 0 |
| united states | massachusetts | arcella gibbosa | species | 1 | 0 |
| united states | massachusetts | arcella mitrata | species | 5 | 0 |
| united states | massachusetts | hyalosphenia papilio | species | 2 | 0 |
| united states | massachusetts | nebela carinata | species | 2 | 0 |