| australia | | paramecium caudatum | species | 2 | 0 |
| australia | new south wales | paramecium caudatum | species | 2 | 0 |
| australia | new south wales | paramecium multimicronucleatum | species | 2 | 0 |
| australia | new south wales | paramecium tetraurelia | species | 3 | 0 |
| australia | victoria | paramecium bursaria | species | 2 | 0 |
| austria | tyrol | paramecium caudatum | species | 3 | 0 |
| brazil | minas gerais | paramecium caudatum | species | 1 | 0 |
| brazil | rio de janeiro | paramecium caudatum | species | 1 | 0 |
| brazil | rio de janeiro | paramecium multimicronucleatum | species | 2 | 0 |
| brazil | rio de janeiro | paramecium primaurelia | species | 1 | 0 |
| china | | paramecium bursaria | species | 4 | 0 |
| china | | paramecium caudatum | species | 45 | 0 |
| china | | paramecium duboscqui | species | 23 | 0 |
| china | | paramecium jenningsi | species | 2 | 0 |
| china | | paramecium nephridiatum | species | 22 | 0 |
| china | | paramecium polycaryum | species | 2 | 0 |
| china | | paramecium primaurelia | species | 1 | 0 |
| china | | paramecium sp. ws-2012 | species | 12 | 0 |
| china | | paramecium tetraurelia | species | 1 | 0 |
| china | beijing | paramecium aurelia | species | 0 | 1 |
| china | beijing | paramecium bursaria | species | 1 | 0 |
| china | beijing | paramecium sexaurelia | species | 0 | 1 |
| china | guangdong | paramecium sp. cxr08032303 | species | 1 | 0 |
| china | shandong | paramecium duboscqui | species | 1 | 0 |
| china | shandong | paramecium nephridiatum | species | 3 | 0 |
| china | shandong | paramecium sp. | species | 2 | 0 |
| china | shandong | paramecium sp. ws-2012 | species | 2 | 0 |
| china | shanghai shi | paramecium bursaria | species | 2 | 0 |
| china | shanghai shi | paramecium jenningsi | species | 1 | 0 |
| china | shanghai shi | paramecium schewiakoffi | species | 2 | 0 |
| china | tianjin shi | paramecium caudatum | species | 2 | 0 |
| cyprus | | paramecium aurelia | species | 0 | 1 |
| cyprus | | paramecium calkinsi | species | 2 | 0 |
| cyprus | | paramecium multimicronucleatum | species | 2 | 0 |
| cyprus | | paramecium sonneborni | species | 0 | 1 |
| cyprus | larnaca district | paramecium calkinsi | species | 2 | 0 |
| cyprus | larnaca district | paramecium polycaryum | species | 2 | 0 |
| cyprus | larnaca district | paramecium primaurelia | species | 1 | 0 |
| czech republic | | paramecium triaurelia | species | 1 | 0 |
| france | | paramecium caudatum | species | 1 | 0 |
| france | | paramecium tredecaurelia | species | 1 | 0 |
| france | ile-de-france region | paramecium tetraurelia | species | 1 | 0 |
| france | ile-de-france region | paramecium tredecaurelia | species | 1 | 0 |
| germany | | paramecium calkinsi | species | 1 | 0 |
| germany | | paramecium caudatum | species | 9 | 0 |
| germany | | paramecium chlorelligerum | species | 2 | 0 |
| germany | | paramecium sp. go1 | species | 2 | 0 |
| germany | baden-wuerttemberg | paramecium bursaria | species | 1 | 0 |
| germany | baden-wuerttemberg | paramecium multimicronucleatum | species | 2 | 0 |
| germany | baden-wuerttemberg | paramecium sexaurelia | species | 1 | 1 |
| germany | bavaria | paramecium bursaria | species | 1 | 0 |
| germany | brandenburg | paramecium bursaria | species | 92 | 0 |
| germany | hesse | paramecium octaurelia | species | 2 | 0 |
| germany | lower saxony | paramecium caudatum | species | 1 | 0 |
| germany | north rhine-westphalia | paramecium biaurelia | species | 2 | 0 |
| germany | north rhine-westphalia | paramecium sp. | species | 1 | 0 |
| germany | saxony | paramecium caudatum | species | 5 | 0 |
| germany | schleswig-holstein | paramecium caudatum | species | 1 | 0 |
| greece | | paramecium caudatum | species | 12 | 0 |
| greece | | paramecium sexaurelia | species | 2 | 0 |
| hungary | | paramecium caudatum | species | 1 | 0 |
| hungary | | paramecium pentaurelia | species | 1 | 0 |
| hungary | | paramecium sp. hb2 | species | 2 | 0 |
| hungary | veszprem county | paramecium caudatum | species | 1 | 0 |
| india | | paramecium calkinsi | species | 1 | 0 |
| india | | paramecium jenningsi | species | 1 | 0 |
| india | | paramecium multimicronucleatum | species | 7 | 0 |
| india | | paramecium polycaryum | species | 2 | 0 |
| india | | paramecium sp. | species | 3 | 0 |
| india | andhra pradesh | paramecium caudatum | species | 1 | 0 |
| india | andhra pradesh | paramecium multimicronucleatum | species | 2 | 0 |
| india | karnataka | paramecium jenningsi | species | 2 | 0 |
| india | national capital territory of delhi | paramecium multimicronucleatum | species | 1 | 0 |
| india | odisha | paramecium jenningsi | species | 1 | 0 |
| india | rio grande do norte | paramecium aurelia | species | 1 | 0 |
| india | rio grande do norte | paramecium polycaryum | species | 2 | 0 |
| india | rio grande do norte | paramecium schewiakoffi | species | 1 | 0 |
| indonesia | | paramecium caudatum | species | 3 | 0 |
| iran | | paramecium caudatum | species | 1 | 0 |
| israel | haifa district | paramecium aurelia | species | 0 | 1 |
| israel | haifa district | paramecium tredecaurelia | species | 0 | 1 |
| italy | | paramecium biaurelia | species | 2 | 0 |
| italy | calabria region | paramecium aurelia | species | 0 | 1 |
| italy | calabria region | paramecium biaurelia | species | 2 | 0 |
| italy | campania region | paramecium caudatum | species | 2 | 0 |
| italy | campania region | paramecium multimicronucleatum | species | 2 | 0 |
| italy | lazio region | paramecium multimicronucleatum | species | 1 | 0 |
| italy | lombardy region | paramecium biaurelia | species | 2 | 0 |
| italy | sicily autonomous region | paramecium biaurelia | species | 43 | 0 |
| italy | sicily autonomous region | paramecium caudatum | species | 2 | 0 |
| italy | sicily autonomous region | paramecium multimicronucleatum | species | 2 | 0 |
| italy | south tyrol autonomous region | paramecium caudatum | species | 1 | 0 |
| italy | tuscany region | paramecium caudatum | species | 2 | 0 |
| italy | tuscany region | paramecium multimicronucleatum | species | 3 | 0 |
| italy | tuscany region | paramecium nephridiatum | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 1 apfeu3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 1 bomb1 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 1 cpfeu2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 1 cpft4 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 2 apfeu3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 2 bomb1 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 2 cpfeu2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. 2 cpft4 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aacq1 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aacq2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aldg1 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aldg2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aldg3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. aomb2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. apfeu2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. bacq4 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. blan1 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. blan3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. bldg2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. blpn3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. bomb2 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. bpft3 | species | 1 | 0 |
| italy | tuscany region | paramecium sp. clpn3 | species | 1 | 0 |
| italy | veneto region | paramecium aurelia | species | 0 | 1 |
| italy | veneto region | paramecium pentaurelia | species | 0 | 1 |
| japan | | paramecium bursaria | species | 2 | 0 |
| japan | | paramecium caudatum | species | 20 | 0 |
| japan | | paramecium caudatum syngen 3 | no rank | 1 | 0 |
| japan | | paramecium decaurelia | species | 1 | 0 |
| japan | | paramecium jenningsi | species | 1 | 0 |
| japan | | paramecium multimicronucleatum | species | 5 | 0 |
| japan | | paramecium putrinum | species | 3 | 0 |
| japan | | paramecium tetraurelia | species | 1 | 0 |
| japan | aichi prefecture | paramecium bursaria | species | 2 | 0 |
| japan | hiroshima prefecture | paramecium bursaria | species | 1 | 0 |
| japan | ibaraki prefecture | paramecium bursaria | species | 1 | 0 |
| japan | ishikawa prefecture | paramecium caudatum | species | 2 | 0 |
| japan | iwate prefecture | paramecium caudatum | species | 2 | 0 |
| japan | miyagi ken prefecture | paramecium multimicronucleatum | species | 1 | 0 |
| japan | nagano prefecture | paramecium bursaria | species | 2 | 0 |
| japan | okinawa prefecture | paramecium jenningsi | species | 1 | 0 |
| japan | shimane prefecture | paramecium bursaria | species | 1 | 0 |
| japan | yamaguchi prefecture | paramecium biaurelia | species | 1 | 0 |
| japan | yamaguchi prefecture | paramecium bursaria | species | 1 | 0 |
| japan | yamaguchi prefecture | paramecium calkinsi | species | 1 | 0 |
| japan | yamaguchi prefecture | paramecium caudatum | species | 3 | 0 |
| japan | yamaguchi prefecture | paramecium jenningsi | species | 4 | 0 |
| japan | yamaguchi prefecture | paramecium sexaurelia | species | 1 | 0 |
| mexico | | paramecium tredecaurelia | species | 2 | 0 |
| mexico | federal district | paramecium caudatum | species | 1 | 0 |
| mexico | federal district | paramecium jenningsi | species | 1 | 0 |
| mexico | federal district | paramecium multimicronucleatum | species | 5 | 0 |
| namibia | | paramecium quadecaurelia | species | 1 | 0 |
| norway | | paramecium buetschlii | species | 2 | 0 |
| pakistan | | paramecium primaurelia | species | 1 | 0 |
| pakistan | | paramecium sp. ft8 | species | 6 | 0 |
| panama | | paramecium jenningsi | species | 1 | 0 |
| peru | | paramecium caudatum | species | 1 | 0 |
| poland | | paramecium dodecaurelia | species | 1 | 0 |
| poland | lesser poland province | paramecium aurelia | species | 0 | 2 |
| poland | lesser poland province | paramecium biaurelia | species | 1 | 0 |
| poland | silesia province | paramecium primaurelia | species | 0 | 1 |
| portugal | | paramecium caudatum | species | 1 | 0 |
| russia | | paramecium biaurelia | species | 1 | 0 |
| russia | | paramecium nephridiatum | species | 1 | 0 |
| russia | | paramecium septaurelia | species | 1 | 0 |
| russia | | paramecium sexaurelia | species | 2 | 0 |
| russia | altai krai | paramecium aurelia | species | 0 | 1 |
| russia | altai krai | paramecium decaurelia | species | 0 | 1 |
| russia | altai republic | paramecium aurelia | species | 0 | 1 |
| russia | altai republic | paramecium decaurelia | species | 0 | 1 |
| russia | astrakhan oblast | paramecium septaurelia | species | 0 | 1 |
| russia | irkutsk oblast | paramecium aurelia | species | 0 | 1 |
| russia | kamchatka krai | paramecium aurelia | species | 0 | 1 |
| russia | khabarovsk krai | paramecium polycaryum | species | 1 | 0 |
| russia | leningrad oblast | paramecium aurelia | species | 0 | 1 |
| russia | moscow city | paramecium aurelia | species | 0 | 1 |
| russia | novosibirsk oblast | paramecium aurelia | species | 0 | 1 |
| russia | novosibirsk oblast | paramecium multimicronucleatum | species | 2 | 0 |
| russia | orenburg oblast | paramecium caudatum | species | 2 | 0 |
| russia | orenburg oblast | paramecium multimicronucleatum | species | 2 | 0 |
| russia | primorsky krai | paramecium biaurelia | species | 0 | 1 |
| russia | primorsky krai | paramecium multimicronucleatum | species | 2 | 0 |
| russia | saint petersburg | paramecium bursaria | species | 1 | 0 |
| russia | saint petersburg | paramecium caudatum | species | 1 | 0 |
| russia | sakha republic | paramecium aurelia | species | 0 | 1 |
| russia | volgograd oblast | paramecium biaurelia | species | 1 | 0 |
| russia | volgograd oblast | paramecium septaurelia | species | 0 | 1 |
| russia | yaroslavl oblast | paramecium aurelia | species | 0 | 1 |
| russia | yaroslavl oblast | paramecium decaurelia | species | 0 | 1 |
| saudi arabia | | paramecium jenningsi | species | 1 | 0 |
| slovenia | municipality of race-fram | paramecium caudatum | species | 466 | 0 |
| south africa | | paramecium sp. | species | 1 | 0 |
| south korea | seoul city | paramecium caudatum | species | 1 | 0 |
| spain | | paramecium caudatum | species | 1 | 0 |
| spain | | paramecium sexaurelia | species | 1 | 0 |
| spain | andalusia | paramecium primaurelia | species | 1 | 0 |
| spain | andalusia | paramecium sexaurelia | species | 2 | 0 |
| spain | catalonia | paramecium polycaryum | species | 1 | 0 |
| spain | madrid | paramecium tetraurelia | species | 0 | 1 |
| sweden | | paramecium caudatum | species | 2 | 0 |
| thailand | phuket province | paramecium aurelia | species | 0 | 1 |
| thailand | phuket province | paramecium sexaurelia | species | 0 | 1 |
| turkey | | paramecium novaurelia | species | 1 | 0 |
| ukraine | | paramecium novaurelia | species | 2 | 0 |
| united kingdom | | paramecium biaurelia | species | 1 | 0 |
| united kingdom | england | paramecium bursaria | species | 1 | 1 |
| united kingdom | scotland | paramecium biaurelia | species | 1 | 0 |
| united kingdom | scotland | paramecium bursaria | species | 1 | 0 |
| united kingdom | scotland | paramecium caudatum | species | 2 | 0 |
| united states | | paramecium decaurelia | species | 1 | 0 |
| united states | | paramecium dodecaurelia | species | 3 | 0 |
| united states | | paramecium duboscqui | species | 1 | 0 |
| united states | | paramecium jenningsi | species | 1 | 0 |
| united states | | paramecium multimicronucleatum | species | 3 | 0 |
| united states | | paramecium octaurelia | species | 1 | 0 |
| united states | | paramecium pentaurelia | species | 1 | 0 |
| united states | | paramecium primaurelia | species | 1 | 0 |
| united states | | paramecium septaurelia | species | 3 | 0 |
| united states | | paramecium tetraurelia | species | 6 | 0 |
| united states | | paramecium triaurelia | species | 1 | 0 |
| united states | | paramecium undecaurelia | species | 1 | 0 |
| united states | florida | paramecium decaurelia | species | 2 | 0 |
| united states | florida | paramecium octaurelia | species | 3 | 0 |
| united states | florida | paramecium septaurelia | species | 1 | 0 |
| united states | hawaii | paramecium dodecaurelia | species | 0 | 1 |
| united states | hawaii | paramecium multimicronucleatum | species | 2 | 0 |
| united states | indiana | paramecium biaurelia | species | 3 | 0 |
| united states | indiana | paramecium tetraurelia | species | 1 | 0 |
| united states | massachusetts | paramecium caudatum | species | 1 | 0 |
| united states | massachusetts | paramecium novaurelia | species | 0 | 1 |
| united states | mississippi | paramecium undecaurelia | species | 1 | 0 |
| united states | nebraska | paramecium multimicronucleatum | species | 2 | 0 |
| united states | nebraska | paramecium pentaurelia | species | 1 | 0 |
| united states | pennsylvania | paramecium pentaurelia | species | 2 | 0 |
| united states | pennsylvania | paramecium primaurelia | species | 1 | 0 |
| united states | texas | paramecium aurelia | species | 0 | 1 |
| united states | texas | paramecium sonneborni | species | 1 | 1 |
| united states | texas | paramecium undecaurelia | species | 1 | 0 |