| austria | lower austria | oxytricha sp. oc_l1 | species | 1 | 0 |
| china | jiangxi | cyrtohymena australis | species | 1 | 0 |
| germany | brandenburg | oxytricha sp. ox_l1 | species | 1 | 0 |
| india | | oxytricha granulifera | species | 2 | 0 |
| india | national capital territory of delhi | architricha indica | species | 0 | 1 |
| india | national capital territory of delhi | oxytricha granulifera | species | 2 | 0 |
| japan | kumamoto prefecture | oxytricha longigranulosa | species | 1 | 0 |
| japan | miyazaki prefecture | heterourosomoida lanceolata | species | 2 | 0 |
| japan | miyazaki prefecture | onychodromopsis flexilis | species | 1 | 0 |
| saudi arabia | | oxytricha granulifera | species | 12 | 0 |
| south korea | ulsan city | cyrtohymena shii | species | 1 | 0 |
| united states | | oxytricha trifallax | species | 3 | 0 |