| 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 |
| australia | | kahawaia truttae | species | 2 | 0 |
| australia | | microcotyle arripis | species | 1 | 0 |
| australia | | microcotyle bassensis | species | 22 | 0 |
| australia | | polylabris sillaginae | species | 9 | 0 |
| australia | new south wales | kahawaia truttae | species | 0 | 1 |
| australia | new south wales | microcotyle arripis | species | 0 | 1 |
| australia | south australia | kahawaia truttae | species | 0 | 1 |
| australia | south australia | microcotyle arripis | species | 0 | 1 |
| brazil | rio de janeiro | microcotyle pomatomi | species | 0 | 1 |
| chile | | paramicrocotyle sp. fas-2014 | species | 1 | 0 |
| china | | polylabris sp. jyw-2010 | species | 2 | 0 |
| france | | atrispinum acarne | species | 2 | 0 |
| france | | metamicrocotyla cephalus | species | 1 | 0 |
| france | | microcotyle erythrini | species | 4 | 0 |
| france | | microcotyle mugilis | species | 1 | 0 |
| france | | pagellicotyle mormyri | species | 2 | 0 |
| france | | polylabris heterodus | species | 1 | 0 |
| france | | sparicotyle chrysophryii | species | 2 | 0 |
| france | corse region | sparicotyle chrysophryii | species | 0 | 1 |
| france | haute-normandie region | microcotyle erythrini | species | 1 | 0 |
| greece | crete region | microcotylidae sp. jwj-2015 | species | 1 | 0 |
| india | | polynemicola sp. av-2017 | species | 2 | 0 |
| india | maharashtra | diplostamenides sciaenae | species | 3 | 0 |
| india | maharashtra | microcotyle sp. akv-2016 | species | 99 | 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 |
| new caledonia | | neomicrocotyle sp. dg-2013 | species | 1 | 0 |
| oman | | microcotylidae gen. sp. maf-2012 | species | 1 | 0 |
| south korea | | microcotyle sebastis | species | 10 | 0 |
| united kingdom | | microcotyle sebastis | species | 1 | 0 |
| united kingdom | | microcotylidae sp. m10 | species | 1 | 0 |
| united states | | microcotyloides incisa | species | 1 | 0 |