| australia | south australia | miamiensis avidus | species | 19 | 0 |
| canada | british columbia | orchitophrya stellarum | species | 1 | 0 |
| canada | prince edward island | anophryoides haemophila | species | 0 | 1 |
| canada | prince edward island | orchitophrya stellarum | species | 1 | 0 |
| china | | cardiostomatella vermiformis | species | 2 | 0 |
| china | | cinetochilum ovale | species | 2 | 0 |
| china | | cohnilembus verminus | species | 1 | 0 |
| china | | metanophrys sinensis | species | 2 | 0 |
| china | | miamiensis avidus | species | 11 | 0 |
| china | | paratetrahymena parawassi | species | 1 | 0 |
| china | | parauronema longum | species | 1 | 0 |
| china | | parauronema virginianum | species | 3 | 0 |
| china | | philaster sp. fg-2014 | species | 1 | 0 |
| china | | philasterides armatalis | species | 2 | 0 |
| china | | porpostoma notata | species | 1 | 0 |
| china | | pseudocohnilembus hargisi | species | 1 | 0 |
| china | | pseudocohnilembus persalinus | species | 273 | 0 |
| china | | pseudoplatynematum denticulatum | species | 4 | 0 |
| china | | sathrophilus holtae | species | 2 | 0 |
| china | | sathrophilus planus | species | 4 | 0 |
| china | | uncultured pseudocohnilembus | species | 16 | 0 |
| china | | uronema marinum | species | 3 | 0 |
| china | | uronema sp. ws-2014 | species | 1 | 0 |
| china | | uronemella parafilificum | species | 1 | 0 |
| china | guangdong | paratetrahymena wassi | species | 5 | 0 |
| china | guangdong | pseudocohnilembus hargisi | species | 4 | 0 |
| china | guangdong | uronema nigricans | species | 1 | 0 |
| china | hainan | paranophrys magna | species | 0 | 1 |
| china | shandong | pseudocohnilembus persalinus | species | 1 | 0 |
| china | shandong | uronema marinum | species | 16 | 0 |
| china | shandong | uronema sp. ws-2014 | species | 2 | 0 |
| china | shandong | uronemita parabinucleata | species | 1 | 0 |
| china | shanghai shi | dexiotricha cf. granulosa | species | 1 | 0 |
| china | zhejiang | miamiensis avidus | species | 5 | 0 |
| croatia | | uronema marinum | species | 2 | 0 |
| germany | schleswig-holstein | uncultured parauronema | species | 3 | 0 |
| germany | schleswig-holstein | uncultured pseudocohnilembus | species | 1 | 0 |
| germany | schleswig-holstein | uncultured uronema | species | 2 | 0 |
| hong kong | | glauconema trihymene | species | 2 | 0 |
| hong kong | | mesanophrys carcini | species | 1 | 0 |
| hong kong | | uronema marinum | species | 1 | 1 |
| india | | cohnilembus verminus | species | 1 | 0 |
| india | | metanophrys sinensis | species | 2 | 0 |
| india | | uronema marinum | species | 1 | 0 |
| italy | | dexiotricha sp. bold:aao9784 | species | 1 | 0 |
| japan | | miamiensis avidus | species | 12 | 0 |
| japan | ehime prefecture | miamiensis avidus | species | 2 | 0 |
| japan | hokkaido prefecture | orchitophrya stellarum | species | 1 | 0 |
| japan | kanagawa prefecture | uncultured anophryoides sp. | species | 2 | 0 |
| japan | mie prefecture | miamiensis avidus | species | 1 | 0 |
| japan | tottori prefecture | miamiensis avidus | species | 0 | 1 |
| mexico | puebla | uronema nigricans | species | 0 | 1 |
| netherlands | zeeland province | orchitophrya stellarum | species | 196 | 0 |
| norway | | uronema marinum | species | 2 | 0 |
| norway | nordland county | uronema marinum | species | 2 | 0 |
| peru | | miamiensis avidus | species | 3 | 0 |
| portugal | faro district | platynematum salinarum | species | 1 | 0 |
| south korea | | miamiensis avidus | species | 31 | 0 |
| south korea | | pseudocohnilembus hargisi | species | 1 | 0 |
| south korea | | pseudocohnilembus persalinus | species | 1 | 0 |
| spain | | philasterides dicentrarchi | species | 13 | 0 |
| spain | | uronema marinum | species | 2 | 0 |
| spain | asturias | uronema marinum | species | 2 | 0 |
| spain | galicia | philasterides dicentrarchi | species | 2 | 1 |
| switzerland | | cinetochilum margaritaceum | species | 1 | 0 |
| turkey | | uronema marinum | species | 1 | 0 |
| turkey | adana province | miamiensis avidus | species | 2 | 0 |
| united kingdom | england | philasterida sp. | species | 3 | 0 |
| united kingdom | england | uronema marinum | species | 2 | 0 |
| united states | arizona | philasterides dicentrarchi | species | 1 | 0 |
| united states | california | miamiensis avidus | species | 7 | 0 |
| united states | maryland | mesanophrys chesapeakensis | species | 0 | 1 |
| united states | maryland | orchitophrya stellarum | species | 0 | 1 |
| united states | massachusetts | uronemella sp. alp-2015 | species | 1 | 0 |
| united states | texas | glauconema trihymene | species | 6 | 0 |
| united states | virginia | glauconema trihymene | species | 0 | 1 |
| united states | virginia | mesanophrys chesapeakensis | species | 0 | 1 |
| united states | virginia | orchitophrya stellarum | species | 0 | 1 |
| united states | virginia | pseudocohnilembus marinus | species | 0 | 1 |
| venezuela | | uncultured philaster | species | 1 | 0 |
| vietnam | | metanophrys sinensis | species | 1 | 0 |