| antarctica | | cyclidium glaucoma | species | 2 | 0 |
| antarctica | | scuticociliatia sl-220 | species | 1 | 0 |
| argentina | buenos aires city | cyclidium glaucoma | species | 2 | 0 |
| argentina | buenos aires province | cyclidium glaucoma | species | 2 | 0 |
| argentina | chubut province | uncultured ancistrum | species | 2 | 0 |
| argentina | chubut province | uncultured scuticociliatia | species | 4 | 0 |
| australia | queensland | cyclidium glaucoma | species | 4 | 0 |
| australia | south australia | miamiensis avidus | species | 19 | 0 |
| australia | tasmania | cyclidium glaucoma | species | 9 | 0 |
| australia | victoria | cyclidium glaucoma | species | 2 | 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 | | ancistrum crassum | species | 5 | 0 |
| china | | boveria subcylindrica | species | 3 | 0 |
| china | | cardiostomatella vermiformis | species | 2 | 0 |
| china | | cinetochilum ovale | species | 2 | 0 |
| china | | cohnilembus verminus | species | 1 | 0 |
| china | | cristigera media | species | 3 | 0 |
| china | | cristigera pleuronemoides | species | 2 | 0 |
| china | | cyclidium glaucoma | species | 2 | 0 |
| china | | cyclidium marinum | species | 1 | 0 |
| china | | cyclidium plouneouri | species | 3 | 0 |
| china | | cyclidium varibonneti | species | 3 | 0 |
| china | | falcicyclidium atractodes | species | 1 | 0 |
| china | | falcicyclidium fangi | species | 2 | 0 |
| china | | hippocomos salinus | species | 3 | 0 |
| china | | histiobalantium minor | species | 2 | 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 | | pleuronema cf. setigerum | species | 1 | 0 |
| china | | pleuronema coronatum | species | 1 | 0 |
| china | | pleuronema grolierei | species | 1 | 0 |
| china | | pleuronema setigerum | species | 5 | 0 |
| china | | pleuronema sp. phb08111303 | species | 1 | 0 |
| china | | pleuronema sp. ws-2014 | species | 1 | 0 |
| china | | porpostoma notata | species | 1 | 0 |
| china | | protocyclidium citrullus | species | 4 | 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 | | schizocalyptra sp. xy08101102 | species | 1 | 0 |
| china | | scuticociliatia sp. acropora/ciliate 1/chn/2009 | species | 1 | 0 |
| china | | scuticociliatia sp. acropora/ciliate 2-1/chn/2009 | species | 1 | 0 |
| china | | scuticociliatia sp. acropora/ciliate 2-2/chn/2009 | species | 1 | 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 | | wilbertia typica | species | 4 | 0 |
| china | guangdong | falcicyclidium fangi | species | 1 | 0 |
| china | guangdong | paratetrahymena wassi | species | 5 | 0 |
| china | guangdong | pleuronema coronatum | species | 1 | 0 |
| china | guangdong | pleuronema sp. cfl08110901 | species | 1 | 0 |
| china | guangdong | pleuronema sp. ws-2012 | species | 2 | 0 |
| china | guangdong | pleuronema wiackowskii | species | 1 | 0 |
| china | guangdong | protocyclidium sinica | species | 2 | 0 |
| china | guangdong | pseudocohnilembus hargisi | species | 4 | 0 |
| china | guangdong | schizocalyptra sinica | species | 2 | 0 |
| china | guangdong | uronema nigricans | species | 1 | 0 |
| china | hainan | paranophrys magna | species | 0 | 1 |
| china | heilongjiang | cyclidium sp. fg-2016a | species | 1 | 0 |
| china | shandong | ancistrum crassum | species | 1 | 0 |
| china | shandong | boveria labialis | species | 2 | 0 |
| china | shandong | eurystomatella sinica | species | 1 | 0 |
| 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 | shandong | wilbertia typica | species | 1 | 0 |
| china | shanghai shi | dexiotricha cf. granulosa | species | 1 | 0 |
| china | shanghai shi | pleuronema binucleatum | species | 1 | 0 |
| china | shanghai shi | pleuronema parawiackowskii | species | 1 | 0 |
| china | zhejiang | miamiensis avidus | species | 5 | 0 |
| croatia | | uronema marinum | species | 2 | 0 |
| denmark | | cyclidium glaucoma | species | 2 | 0 |
| france | | uncultured pleuronematid ciliate | species | 1 | 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 |
| ghana | | cyclidium glaucoma | species | 2 | 0 |
| greece | north aegean region | ancistrum mytili | species | 0 | 1 |
| hong kong | | glauconema trihymene | species | 2 | 0 |
| hong kong | | mesanophrys carcini | species | 1 | 0 |
| hong kong | | pleuronema puytoraci | species | 1 | 0 |
| hong kong | | protocyclidium citrullus | species | 3 | 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 |
| ireland | | cyclidium glaucoma | species | 2 | 0 |
| italy | | dexiotricha sp. bold:aao9784 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. alpn3 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. bacq4 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. blpn1 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. blpn3 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. clpn2 | species | 1 | 0 |
| italy | tuscany region | scuticociliatia sp. clpn3 | species | 1 | 0 |
| japan | | miamiensis avidus | species | 12 | 0 |
| japan | ehime prefecture | miamiensis avidus | species | 2 | 0 |
| japan | hokkaido prefecture | cyclidium glaucoma | species | 4 | 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 | cyclidium glaucoma | species | 0 | 1 |
| mexico | puebla | uronema nigricans | species | 0 | 1 |
| mongolia | | cyclidium glaucoma | species | 4 | 0 |
| 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 |
| russia | saint petersburg | cyclidium glaucoma | species | 5 | 0 |
| russia | saratov oblast | cyclidium glaucoma | species | 535 | 0 |
| south africa | | cyclidium glaucoma | 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 | andalusia | cyclidium glaucoma | species | 2 | 0 |
| spain | asturias | uronema marinum | species | 2 | 0 |
| spain | castilla-la mancha | cyclidium glaucoma | species | 6 | 0 |
| spain | galicia | philasterides dicentrarchi | species | 2 | 1 |
| spain | madrid | cyclidium glaucoma | species | 750 | 0 |
| spain | valencia | cyclidium glaucoma | species | 2 | 0 |
| switzerland | | cinetochilum margaritaceum | species | 1 | 0 |
| switzerland | | cyclidium glaucoma | species | 1 | 0 |
| switzerland | | uncultured scuticociliatia | species | 5 | 0 |
| thailand | | cyclidium citrullus | species | 2 | 0 |
| thailand | | cyclidium glaucoma | species | 4 | 0 |
| turkey | | uronema marinum | species | 1 | 0 |
| turkey | adana province | miamiensis avidus | species | 2 | 0 |
| ukraine | kiev city | cyclidium glaucoma | species | 24 | 0 |
| united kingdom | england | cyclidium glaucoma | species | 141 | 0 |
| united kingdom | england | cyclidium porcatum | species | 2 | 0 |
| united kingdom | england | philasterida sp. | species | 3 | 0 |
| united kingdom | england | uronema marinum | species | 2 | 0 |
| united kingdom | scotland | cyclidium glaucoma | species | 4 | 0 |
| united states | arizona | philasterides dicentrarchi | species | 1 | 0 |
| united states | california | miamiensis avidus | species | 7 | 0 |
| united states | colorado | uncultured cyclidium | species | 1 | 0 |
| united states | delaware | aristerostoma sp. atcc 50986 | species | 41819 | 0 |
| united states | hawaii | cyclidium glaucoma | species | 2 | 0 |
| united states | indiana | cyclidium glaucoma | species | 2 | 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 | utah | cyclidium glaucoma | species | 2 | 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 |