| algeria | | hexostoma thynni | species | 1 | 0 |
| algeria | | neopolystoma euzeti | species | 4 | 0 |
| algeria | | polystomoides tunisiensis | species | 9 | 0 |
| algeria | ain defla province | neopolystoma euzeti | species | 3 | 0 |
| algeria | ain defla province | polystomoides tunisiensis | species | 131 | 0 |
| algeria | ain temouchent province | microcotyle erythrini | species | 2 | 0 |
| algeria | ain temouchent province | sparicotyle chrysophryii | species | 3 | 0 |
| algeria | algiers province | atrispinum acarne | species | 4 | 0 |
| algeria | boumerdes province | neopolystoma euzeti | species | 1 | 0 |
| algeria | constantine province | polystomoides tunisiensis | species | 5 | 0 |
| algeria | el tarf province | polystomoides ocellatum | species | 73 | 0 |
| algeria | el tarf province | polystomoides tunisiensis | species | 1 | 0 |
| argentina | chubut province | neogrubea seriolellae | species | 4 | 0 |
| australia | | choricotyle australiensis | species | 2 | 0 |
| australia | | concinnocotyla australensis | species | 6 | 0 |
| australia | | gastrocotyle kurra | species | 3 | 0 |
| australia | | gotocotyla bivaginalis | species | 1 | 0 |
| australia | | gotocotyla secunda | species | 1 | 0 |
| australia | | kahawaia truttae | species | 2 | 0 |
| australia | | kuhnia scombri | species | 4 | 0 |
| australia | | microcotyle arripis | species | 1 | 0 |
| australia | | microcotyle bassensis | species | 22 | 0 |
| australia | | neopolystoma chelodinae | species | 3 | 0 |
| australia | | neopolystoma spratti | species | 3 | 0 |
| australia | | parapolystoma bulliense | species | 4 | 0 |
| australia | | polylabris sillaginae | species | 9 | 0 |
| australia | | polystoma gallieni | species | 1 | 0 |
| australia | | pseudokuhnia minor | species | 2 | 0 |
| australia | new south wales | kahawaia truttae | species | 0 | 1 |
| australia | new south wales | microcotyle arripis | species | 0 | 1 |
| australia | new south wales | neopolystoma chelodinae | species | 14 | 0 |
| australia | new south wales | polyopisthocotylea | order | 0 | 1 |
| australia | queensland | gotocotyla bivaginalis | species | 2 | 0 |
| australia | queensland | gotocotyla secunda | species | 1 | 0 |
| australia | queensland | parapolystoma bulliense | species | 0 | 2 |
| australia | queensland | polystomoides australiensis | species | 0 | 1 |
| australia | south australia | hexostoma thynni | species | 1 | 0 |
| australia | south australia | kahawaia truttae | species | 0 | 1 |
| australia | south australia | microcotyle arripis | species | 0 | 1 |
| austria | lower austria | discocotyle sagittata | species | 3 | 0 |
| austria | lower austria | polystomoides oris | species | 1 | 0 |
| brazil | | metacamopia oligoplites | species | 1 | 0 |
| brazil | | mexicotyle sp. brazil | species | 1 | 0 |
| brazil | | paradewesia sp. brazil | species | 1 | 0 |
| brazil | | probursata brasiliensis | species | 2 | 0 |
| brazil | | zeuxapta seriolae | species | 4 | 0 |
| brazil | rio de janeiro | gotocotyla acanthura | species | 0 | 2 |
| brazil | rio de janeiro | microcotyle pomatomi | species | 0 | 1 |
| bulgaria | | polystoma combesi | species | 1 | 0 |
| bulgaria | | polystoma fuscus | species | 1 | 0 |
| canada | british columbia | octomacrum microconfibula | species | 0 | 1 |
| canada | british columbia | polyopisthocotylea | order | 0 | 1 |
| canada | nova scotia | madapolystoma sp. dna-989 | species | 1 | 0 |
| chile | | chalguacotyle mugiloides | species | 1 | 0 |
| chile | | choricotyle anisotremi | species | 3 | 0 |
| chile | | paraeurysorchis sarmientoi | species | 2 | 0 |
| chile | | paramicrocotyle sp. fas-2014 | species | 1 | 0 |
| chile | | parapedocotyle prolatili | species | 5 | 0 |
| chile | | zeuxapta seriolae | species | 177 | 0 |
| chile | antofagasta region | chalguacotyle mugiloides | species | 2 | 0 |
| chile | antofagasta region | choricotyle anisotremi | species | 2 | 0 |
| chile | antofagasta region | paraeurysorchis sarmientoi | species | 2 | 0 |
| chile | coquimbo region | parapedocotyle prolatili | species | 2 | 0 |
| china | | diplorchis shilinensis | species | 4 | 0 |
| china | | diplozoon paradoxum | species | 2 | 0 |
| china | | eudiplozoon nipponicum | species | 2 | 0 |
| china | | mazocraeoides gonialosae | species | 86 | 0 |
| china | | paradiplozoon gracile | species | 2 | 0 |
| china | | paradiplozoon hemiculteri | species | 2 | 0 |
| china | | paradiplozoon homoion | species | 3 | 0 |
| china | | paradiplozoon skrjabini | species | 1 | 0 |
| china | | paradiplozoon sp. fm-2016 | species | 1 | 0 |
| china | | polylabris sp. jyw-2010 | species | 2 | 0 |
| china | | polystoma sp. ov-2005 | species | 2 | 0 |
| china | | polystoma sp. ov-2015a | species | 4 | 0 |
| china | | polystoma sp. ov-2015b | species | 2 | 0 |
| china | | polystoma zuoi | species | 1 | 0 |
| china | fujian | mazocraeoides gonialosae | species | 2 | 0 |
| china | hubei | sinomazocraes changjiangensis | species | 0 | 1 |
| china | jiangsu | mazocraeoides dussumieri | species | 1 | 0 |
| china | jiangsu | paradiplozoon hemiculteri | species | 17 | 0 |
| china | jilin | octomacrum mexicanum | species | 1 | 0 |
| china | yunnan | diplorchis shilinensis | species | 1 | 0 |
| china | yunnan | polystoma sp. lxf-2008 | species | 1 | 0 |
| china | yunnan | polystoma sp. tj-2008 | species | 1 | 0 |
| china | zhejiang | paradiplozoon hemiculteri | species | 10 | 0 |
| costa rica | | neopolystoma fentoni | species | 2 | 0 |
| costa rica | | neopolystoma sp. ov-2015 | species | 7 | 0 |
| costa rica | | polystoma naevius | species | 3 | 0 |
| costa rica | guanacaste province | neopolystoma fentoni | species | 0 | 2 |
| czech republic | | eudiplozoon nipponicum | species | 3 | 0 |
| egypt | | gotocotyla secunda | species | 1 | 0 |
| egypt | qena governorate | heterobothrium okamotoi | species | 0 | 1 |
| finland | central finland region | paradiplozoon homoion | species | 0 | 1 |
| france | | atrispinum acarne | species | 2 | 0 |
| france | | cemocotyle trachuri | species | 1 | 0 |
| france | | choricotyle cf. chrysophryii | species | 3 | 0 |
| france | | cyclocotyla belones | species | 1 | 0 |
| france | | diclidophora luscae | species | 3 | 0 |
| france | | diclidophora luscae capelanii | subspecies | 2 | 0 |
| france | | diplozoon paradoxum | species | 1 | 0 |
| france | | eudiplozoon nipponicum | species | 3 | 0 |
| france | | gastrocotyle trachuri | species | 3 | 0 |
| france | | gotocotyla sp. jj1 | species | 2 | 0 |
| france | | grubea cochlear | species | 2 | 0 |
| france | | hexostoma thynni | species | 1 | 0 |
| france | | kuhnia scombri | species | 1 | 0 |
| france | | kuhnia sp. | species | 1 | 0 |
| france | | metamicrocotyla cephalus | species | 1 | 0 |
| france | | microcotyle erythrini | species | 4 | 0 |
| france | | microcotyle mugilis | species | 1 | 0 |
| france | | neopolystoma sp. lh-2016 | species | 1 | 0 |
| france | | pagellicotyle mormyri | species | 2 | 0 |
| france | | paradiplozoon bliccae | species | 1 | 0 |
| france | | paradiplozoon homoion | species | 1 | 0 |
| france | | plectanocotyle gurnardi | species | 1 | 0 |
| france | | plectanocotyle sp. | species | 3 | 0 |
| france | | plectanocotyloides obscurum | species | 2 | 0 |
| france | | polylabris heterodus | species | 1 | 0 |
| france | | polystoma gallieni | species | 7 | 0 |
| france | | polystoma integerrimum | species | 2 | 0 |
| france | | polystoma pelobatis | species | 4 | 0 |
| france | | polystomoides sp. lh-2016 | species | 1 | 0 |
| france | | pseudaxine trachuri | species | 5 | 0 |
| france | | pyragraphorus hollisae | species | 2 | 0 |
| france | | sparicotyle chrysophryii | species | 2 | 0 |
| france | bretagne region | neopolystoma orbiculare | species | 1 | 0 |
| france | bretagne region | neopolystoma sp. mi642 | species | 1 | 0 |
| france | bretagne region | polystoma pelobatis | species | 7 | 0 |
| france | bretagne region | polystomoides oris | species | 2 | 0 |
| france | bretagne region | polystomoides tunisiensis | species | 6 | 0 |
| france | corse region | polyopisthocotylea | order | 0 | 1 |
| france | corse region | sparicotyle chrysophryii | species | 0 | 1 |
| france | franche-comte region | neopolystoma euzeti | species | 408 | 0 |
| france | franche-comte region | polystoma integerrimum | species | 4 | 0 |
| france | haute-normandie region | choricotyle chrysophrii | species | 1 | 0 |
| france | haute-normandie region | diclidophora luscae capelanii | subspecies | 1 | 0 |
| france | haute-normandie region | microcotyle erythrini | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma orbiculare | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad467 | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad553 | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad554 | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad555 | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad556 | species | 1 | 0 |
| france | languedoc-roussillon region | neopolystoma sp. miad557 | species | 280 | 0 |
| france | languedoc-roussillon region | polystoma gallieni | species | 12 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi650 | species | 21 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi794 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi795 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi796 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi797 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi801 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. mi806 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab419 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab421 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab426 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab783 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab790 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab794 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab795 | species | 22 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miab823 | species | 41 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad429 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad469 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad470 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad471 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad538 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad539 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad540 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad541 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad542 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad543 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad544 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad546 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad547 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad548 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad549 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad550 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad551 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad552 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad625 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad626 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad627 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad628 | species | 1 | 0 |
| france | languedoc-roussillon region | polystomatidae sp. miad629 | species | 27 | 0 |
| france | languedoc-roussillon region | polystomoides oris | species | 1 | 0 |
| france | languedoc-roussillon region | polystomoides tunisiensis | species | 1 | 0 |
| france | midi-pyrenees region | neopolystoma orbiculare | species | 4 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad389 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad390 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad391 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad392 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad394 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad395 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad396 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad397 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad398 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad399 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad400 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad401 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad402 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad403 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad404 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad405 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad406 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad407 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad408 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad409 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad410 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad411 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad412 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad414 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad415 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad416 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad417 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad418 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad419 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad422 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad423 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad424 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad425 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad426 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad427 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad434 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad435 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad437 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad438 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad439 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad440 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad441 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad442 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad443 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad444 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad445 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad446 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad447 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad448 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad449 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad454 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad455 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad456 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad457 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad458 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad459 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad460 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad461 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad462 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad463 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad464 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad465 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad466 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad476 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad477 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad478 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad479 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad480 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad481 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad482 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad483 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad484 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad485 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad486 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad487 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad488 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad489 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad490 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad491 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad492 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad493 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad494 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad495 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad496 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad497 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad498 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad499 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad500 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad501 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad504 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad505 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad506 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad507 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad508 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad509 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad510 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad511 | species | 1 | 0 |
| france | midi-pyrenees region | polystomoides sp. miad512 | species | 1 | 0 |
| france | nord-pas-de-calais region | polystoma integerrimum | species | 2 | 0 |
| france | provence-alpes-cote d'azur region | polystoma integerrimum | species | 2 | 0 |
| french guiana | | nanopolystoma tinsleyi | species | 4 | 0 |
| french guiana | | neopolystoma cayensis | species | 4 | 0 |
| french guiana | | neopolystoma guianensis | species | 4 | 0 |
| french guiana | | neopolystoma scorpioides | species | 3 | 0 |
| french guiana | | polystoma sp. ov-2005 | species | 2 | 0 |
| french guiana | | wetapolystoma almae | species | 10 | 0 |
| greece | crete region | microcotylidae sp. jwj-2015 | species | 1 | 0 |
| india | | allodiscocotyla diacanthi | species | 6 | 0 |
| india | | bilaterocotyle madrasensis | species | 4 | 0 |
| india | | bilaterocotyloides carangis | species | 3 | 0 |
| india | | cemocotylelloides carangis | species | 1 | 0 |
| india | | gastrocotyle kurra | species | 2 | 0 |
| india | | heterapta chorinemi | species | 1 | 0 |
| india | | heterapta heterapta | species | 2 | 0 |
| india | | metacamopia indica | species | 2 | 0 |
| india | | monaxine formionis | species | 1 | 0 |
| india | | neopolystoma palpebrae | species | 1 | 0 |
| india | | paradiplozoon sp. 1 at-2016 | species | 1 | 0 |
| india | | polynemicola sp. av-2017 | species | 2 | 0 |
| india | | polystoma indicum | species | 4 | 0 |
| india | | polystoma sp. mb-2009 | species | 1 | 0 |
| india | | polystomoides siebenrockiella | species | 1 | 0 |
| india | andhra pradesh | leptomazocraes orientalis | species | 1 | 0 |
| india | andhra pradesh | paramazocraes setipinna | species | 1 | 0 |
| india | andhra pradesh | paramazocraes thrissocles | species | 1 | 0 |
| india | maharashtra | bilaterocotyloides carangis | species | 7 | 0 |
| india | maharashtra | diplostamenides sciaenae | species | 3 | 0 |
| india | maharashtra | engraulicola thrissocles | species | 4 | 0 |
| india | maharashtra | heteraxinoides sp. akv-2015 | species | 3 | 0 |
| india | maharashtra | heterobothrium sp. akv-2016 | species | 12 | 0 |
| india | maharashtra | keralina opisthopterus | species | 4 | 0 |
| india | maharashtra | leptomazocraes orientalis | species | 3 | 0 |
| india | maharashtra | microcotyle sp. akv-2016 | species | 99 | 0 |
| india | maharashtra | paramazocraes thrissocles | species | 4 | 0 |
| india | maharashtra | pellonicola elongatus | species | 4 | 0 |
| india | maharashtra | sauricotyle sprostoni | species | 5 | 0 |
| india | west bengal | paramazocraes setipinna | species | 0 | 1 |
| india | west bengal | paramazocraes thrissocles | species | 0 | 1 |
| isle of man | | discocotyle sagittata | species | 0 | 1 |
| isle of man | | polyopisthocotylea | order | 0 | 1 |
| ivory coast | | polystoma baeri | species | 1 | 0 |
| ivory coast | | polystoma mangenoti | species | 1 | 0 |
| ivory coast | | polystoma occipitalis | species | 4 | 0 |
| ivory coast | | polystoma sp. dna-25 | species | 2 | 0 |
| ivory coast | | polystoma sp. dna-38 | species | 1 | 0 |
| japan | | diplorchis ranae | species | 4 | 0 |
| japan | | eudiplozoon nipponicum | species | 3 | 0 |
| japan | | gastrocotyle trachuri | species | 2 | 0 |
| japan | | kuhnia scombri | species | 3 | 0 |
| japan | | mazocraeoides gonialosae | species | 3 | 0 |
| japan | | neoheterobothrium hirame | species | 11 | 0 |
| japan | | polystoma sp. ov-2005 | species | 4 | 0 |
| japan | | polystoma sp. ov-2015b | species | 4 | 0 |
| japan | | pseudopolystoma dendriticum | species | 9 | 0 |
| japan | | zeuxapta seriolae | species | 1 | 0 |
| japan | hokkaido prefecture | paradiplozoon skrjabini | species | 2 | 0 |
| japan | kumamoto prefecture | heterobothrium okamotoi | species | 1 | 0 |
| japan | nagano prefecture | paradiplozoon skrjabini | species | 4 | 0 |
| japan | nara prefecture | paradiplozoon skrjabini | species | 1 | 0 |
| japan | shiga prefecture | eudiplozoon nipponicum | species | 17 | 0 |
| japan | wakayama prefecture | heterobothrium okamotoi | species | 2 | 0 |
| japan | wakayama prefecture | neoheterobothrium hirame | species | 1 | 0 |
| madagascar | | madapolystoma biritika | species | 2 | 0 |
| madagascar | | madapolystoma sp. dna-844 | species | 2 | 0 |
| madagascar | | madapolystoma sp. dna-847 | species | 2 | 0 |
| madagascar | | madapolystoma sp. dna-851 | species | 2 | 0 |
| madagascar | | madapolystoma sp. dna-853 | species | 2 | 0 |
| madagascar | | madapolystoma sp. dna-989 | species | 1 | 0 |
| madagascar | | madapolystoma sp. dna-mi18 | species | 1 | 0 |
| madagascar | | madapolystoma sp. dna-mi290 | species | 1 | 0 |
| madagascar | | madapolystoma sp. dna-mi292 | species | 1 | 0 |
| madagascar | | madapolystoma sp. dna-mi878 | species | 1 | 0 |
| madagascar | | madapolystoma sp. dna-mi884 | species | 1 | 0 |
| madagascar | | madapolystoma sp. n. 1 pab-2011 | species | 7 | 0 |
| madagascar | | madapolystoma sp. n. 2 pab-2011 | species | 10 | 0 |
| madagascar | | madapolystoma sp. ov-2015 | species | 1 | 0 |
| madagascar | | madapolystoma sp. pab-2011 | species | 1 | 0 |
| madagascar | | metapolystoma aff. brygoonis dna-mi407 | species | 1 | 0 |
| madagascar | | metapolystoma aff. brygoonis dna-mi461 | species | 1 | 0 |
| madagascar | | metapolystoma aff. brygoonis dna-mi476 | species | 1 | 0 |
| madagascar | | metapolystoma aff. brygoonis dna-mi863 | species | 1 | 0 |
| madagascar | | metapolystoma aff. brygoonis dna-mi864 | species | 1 | 0 |
| madagascar | | metapolystoma brygoonis | species | 8 | 0 |
| madagascar | | metapolystoma sp. dna-990 | species | 3 | 0 |
| madagascar | | metapolystoma sp. dna-991 | species | 1 | 0 |
| madagascar | | metapolystoma sp. dna-mi484 | species | 2 | 0 |
| madagascar | | metapolystoma sp. dna-mi70 | species | 2 | 0 |
| madagascar | | metapolystoma sp. dna-mi866 | species | 1 | 0 |
| madagascar | | metapolystoma sp. dna-mi881 | species | 1 | 0 |
| madagascar | | polystomatidae gen. sp. pb-2010 | species | 1 | 0 |
| madagascar | | polystomatidae sp. pb-2010 | species | 1 | 0 |
| madagascar | alaotra mangoro region | madapolystoma sp. dna-989 | species | 1 | 0 |
| madagascar | alaotra mangoro region | madapolystoma sp. dna-mi18 | species | 1 | 0 |
| madagascar | alaotra mangoro region | madapolystoma sp. dna-mi292 | species | 1 | 0 |
| madagascar | alaotra mangoro region | madapolystoma sp. n. 2 pab-2011 | species | 58 | 0 |
| madagascar | alaotra mangoro region | metapolystoma brygoonis | species | 38 | 0 |
| madagascar | alaotra mangoro region | metapolystoma sp. dna-mi866 | species | 1 | 0 |
| madagascar | alaotra mangoro region | metapolystoma sp. dna-mi881 | species | 1 | 0 |
| madagascar | analamanga region | madapolystoma sp. n. 1 pab-2011 | species | 1 | 0 |
| madagascar | analamanga region | madapolystoma sp. n. 2 pab-2011 | species | 1 | 0 |
| madagascar | atsinanana region | madapolystoma sp. n. 2 pab-2011 | species | 4 | 0 |
| madagascar | atsinanana region | metapolystoma aff. brygoonis dna-mi461 | species | 1 | 0 |
| madagascar | atsinanana region | polystomatidae sp. pb-2010 | species | 1 | 0 |
| madagascar | betsiboka region | madapolystoma sp. n. 1 pab-2011 | species | 124 | 0 |
| madagascar | boeny region | metapolystoma brygoonis | species | 2 | 0 |
| madagascar | boeny region | metapolystoma sp. dna-mi484 | species | 2 | 0 |
| madagascar | boeny region | metapolystoma sp. dna-mi70 | species | 21 | 0 |
| madagascar | diana region | madapolystoma sp. dna-mi290 | species | 1 | 0 |
| madagascar | diana region | madapolystoma sp. pab-2011 | species | 1 | 0 |
| madagascar | haute matsiatra region | madapolystoma sp. n. 2 pab-2011 | species | 147 | 0 |
| madagascar | vakinankaratra region | metapolystoma brygoonis | species | 3 | 0 |
| malaysia | | neopolystoma liewi | species | 6 | 0 |
| malaysia | | polystomoides asiaticus | species | 4 | 0 |
| malaysia | | polystomoides bourgati | species | 1 | 0 |
| malaysia | | polystomoides malayi | species | 5 | 0 |
| malaysia | | polystomoides siebenrockiella | species | 6 | 0 |
| malaysia | | sundapolystoma chalconotae | species | 4 | 0 |
| malaysia | kuala lumpur | polystomoides malayi | species | 2 | 0 |
| malaysia | melaka | neopolystoma liewi | species | 1 | 0 |
| malaysia | melaka | polystomoides siebenrockiella | species | 1 | 0 |
| mexico | | cynoscionicola branquialis | species | 1 | 0 |
| mexico | | microcotyloides incisa | species | 3 | 0 |
| mexico | | neomicrocotyle pacifica | species | 1 | 0 |
| mexico | tamaulipas | microcotyloides incisa | species | 2 | 0 |
| morocco | | neopolystoma euzeti | species | 2 | 0 |
| morocco | grand casablanca | neopolystoma euzeti | species | 4 | 0 |
| morocco | grand casablanca | polystomoides tunisiensis | species | 133 | 0 |
| new caledonia | | lethacotyle sp. n. dg-2013 | species | 1 | 0 |
| new caledonia | | neomicrocotyle sp. dg-2013 | species | 1 | 0 |
| nigeria | | metapolystoma cachani | species | 5 | 0 |
| nigeria | | polystomoides sp. ov-2015 | species | 8 | 0 |
| oman | | microcotylidae gen. sp. maf-2012 | species | 1 | 0 |
| paraguay | | polystoma cuvieri | species | 6 | 0 |
| paraguay | | polystoma lopezromani | species | 6 | 0 |
| peru | | pedocotyle bravoi | species | 4 | 0 |
| peru | callao region | pedocotyle annakohni | species | 2 | 0 |
| peru | callao region | pedocotyle bravoi | species | 2 | 0 |
| portugal | | diclidophora luscae | species | 10 | 0 |
| portugal | acores autonomous region | pseudaxine trachuri | species | 0 | 1 |
| portugal | lisboa district | protopolystoma xenopodis | species | 2 | 0 |
| portugal | madeira autonomous region | pseudaxine trachuri | species | 0 | 1 |
| russia | | discocotyle sagittata | species | 2 | 0 |
| russia | | polystoma sp. dna-7 | species | 1 | 0 |
| russia | | polystoma sp. dna-8 | species | 2 | 0 |
| russia | primorsky krai | paradiplozoon skrjabini | species | 2 | 0 |
| saudi arabia | | pricea multae | species | 1 | 0 |
| south africa | | eupolystoma sp. dna-179 | species | 3 | 0 |
| south africa | | eupolystoma vanasi | species | 3 | 0 |
| south africa | | oculotrema hippopotami | species | 4 | 0 |
| south africa | | polystoma australis | species | 4 | 0 |
| south africa | | polystoma claudecombesi | species | 2 | 0 |
| south africa | | polystoma dawiekoki | species | 5 | 0 |
| south africa | | polystoma marmorati | species | 6 | 0 |
| south africa | | polystoma sp. dna-40 | species | 1 | 0 |
| south africa | | polystoma testimagna | species | 6 | 0 |
| south africa | | polystoma umthakathi | species | 6 | 0 |
| south africa | | protopolystoma xenopodis | species | 8 | 0 |
| south africa | eastern cape province | protopolystoma xenopodis | species | 51 | 0 |
| south africa | free state province | protopolystoma xenopodis | species | 14 | 0 |
| south africa | gauteng province | protopolystoma xenopodis | species | 2 | 0 |
| south africa | kwazulu-natal province | eupolystoma vanasi | species | 0 | 1 |
| south africa | kwazulu-natal province | polystoma dawiekoki | species | 0 | 1 |
| south africa | limpopo province | afrodiplozoon polycotyleus | species | 1 | 0 |
| south africa | limpopo province | protopolystoma xenopodis | species | 28 | 0 |
| south africa | mpumalanga province | polystoma dawiekoki | species | 0 | 1 |
| south africa | mpumalanga province | protopolystoma xenopodis | species | 20 | 0 |
| south africa | northern cape province | protopolystoma xenopodis | species | 48 | 0 |
| south africa | north-west province | protopolystoma xenopodis | species | 2 | 0 |
| south africa | the western cape province | protopolystoma xenopodis | species | 205 | 0 |
| south korea | | mazocraeoides gonialosae | species | 1 | 0 |
| south korea | | microcotyle sebastis | species | 10 | 0 |
| south korea | | neoheterobothrium hirame | species | 1 | 0 |
| spain | aragon | polystomoides ocellatum | species | 31 | 0 |
| spain | balearic islands | mazocraes alosae | species | 1 | 0 |
| spain | catalonia | polystomoides tunisiensis | species | 4 | 0 |
| swaziland | | protopolystoma orientalis | species | 1 | 0 |
| swaziland | hhohho district | protopolystoma orientalis | species | 1 | 0 |
| sweden | | chimaericola leptogaster | species | 2 | 0 |
| sweden | | diplozoon sp. | species | 1 | 0 |
| tanzania | | polystoma dawiekoki | species | 3 | 0 |
| tanzania | tanga region | polystoma dawiekoki | species | 0 | 1 |
| togo | | eupolystoma alluaudi | species | 5 | 0 |
| togo | | polystomoides bourgati | species | 3 | 0 |
| togo | | protopolystoma occidentalis | species | 5 | 0 |
| tunisia | bizerte governorate | grubea cochlear | species | 0 | 1 |
| tunisia | bizerte governorate | pseudokuhnia minor | species | 0 | 1 |
| tunisia | mahdia governorate | grubea cochlear | species | 0 | 1 |
| tunisia | mahdia governorate | pseudokuhnia minor | species | 0 | 1 |
| turkey | | paradiplozoon homoion | species | 3 | 0 |
| turkey | burdur province | paradiplozoon bliccae | species | 1 | 0 |
| uganda | | protopolystoma sp. kap.1 | species | 1 | 0 |
| uganda | | protopolystoma sp. mab f.1 | species | 1 | 0 |
| uganda | central region | protopolystoma sp. 003.48.1 | species | 1 | 0 |
| uganda | central region | protopolystoma sp. 003.52.1 | species | 1 | 0 |
| uganda | central region | protopolystoma sp. g12.13.1 | species | 4 | 0 |
| uganda | central region | protopolystoma sp. kap.1 | species | 55 | 0 |
| uganda | central region | protopolystoma sp. mab f.1 | species | 12 | 0 |
| uganda | central region | protopolystoma xenopodis | species | 1 | 0 |
| uganda | western region | protopolystoma simplicis | species | 21 | 0 |
| uganda | western region | protopolystoma sp. wulf.1 | species | 1 | 0 |
| uganda | western region | protopolystoma xenopodis | species | 411 | 0 |
| united kingdom | | diclidophora denticulata | species | 1 | 0 |
| united kingdom | | diclidophora minor | species | 2 | 0 |
| united kingdom | | discocotyle sagittata | species | 1 | 0 |
| united kingdom | | kuhnia scombri | species | 1 | 0 |
| united kingdom | | microcotyle sebastis | species | 1 | 0 |
| united kingdom | | microcotylidae sp. m10 | species | 1 | 0 |
| united kingdom | | plectanocotyle gurnardi | species | 1 | 0 |
| united kingdom | england | diclidophora denticulata | species | 1 | 0 |
| united kingdom | england | diplozoon paradoxum | species | 0 | 1 |
| united kingdom | wales | protopolystoma xenopodis | species | 0 | 3 |
| united states | | microcotyloides incisa | species | 1 | 0 |
| united states | | neodiplorchis scaphiopi | species | 5 | 0 |
| united states | | neopolystoma orbiculare | species | 3 | 0 |
| united states | | neopolystoma sp. 1 ov-2011 | species | 1 | 0 |
| united states | | neopolystoma sp. ov-2015 | species | 12 | 0 |
| united states | | octomacrum lanceatum | species | 1 | 0 |
| united states | | polystoma nearcticum | species | 6 | 0 |
| united states | | polystoma sp. ov-2005 | species | 2 | 0 |
| united states | | polystoma sp. ov-2007 | species | 6 | 0 |
| united states | | polystomoides oris | species | 3 | 0 |
| united states | | polystomoides sp. ov-2015 | species | 3 | 0 |
| united states | | pseudodiplorchis americanus | species | 6 | 0 |
| united states | | sphyranura oligorchis | species | 7 | 0 |
| united states | arizona | pseudodiplorchis americanus | species | 1 | 1 |
| united states | connecticut | neopolystoma elizabethae | species | 16 | 0 |
| united states | connecticut | polystomoides oris | species | 3 | 0 |
| united states | florida | neopolystoma orbiculare | species | 3 | 0 |
| united states | florida | neopolystoma sp. 8 ov-2011 | species | 1 | 0 |
| united states | florida | polystomoidella sp. 1 ov-2011 | species | 1 | 0 |
| united states | florida | polystomoides sp. 2 ov-2011 | species | 1 | 0 |
| united states | florida | polystomoides sp. 4 ov-2011 | species | 3 | 0 |
| united states | indiana | neopolystoma orbiculare | species | 8 | 0 |
| united states | indiana | neopolystoma sp. 6 ov-2011 | species | 1 | 0 |
| united states | indiana | polystomoides oris | species | 2 | 0 |
| united states | maine | neopolystoma sp. 9 ov-2011 | species | 1 | 0 |
| united states | nebraska | neopolystoma sp. 2 ov-2011 | species | 1 | 0 |
| united states | new york | polystomoides oris | species | 4 | 0 |
| united states | north carolina | neoheterobothrium affine | species | 2 | 0 |
| united states | north carolina | neoheterobothrium sp. sf | species | 3 | 0 |
| united states | north carolina | neoheterobothrium sp. ty-2008 | species | 6 | 0 |
| united states | north carolina | neopolystoma elizabethae | species | 4 | 0 |
| united states | north carolina | neopolystoma orbiculare | species | 5 | 0 |
| united states | north carolina | polystomoides oris | species | 6 | 0 |
| united states | tennessee | polystomoides coronatum | species | 1 | 0 |
| uruguay | | polystomoides coronatum | species | 4 | 0 |
| vietnam | | neopolystoma palpebrae | species | 4 | 0 |