1. Genus Empleurosoma Johnston & Tiegs, 1922 accepted as Protogyrodactylus Johnston & Tiegs, 1922 (Synonym)
   1. Species Empleurosoma pyriforme Johnston & Tiegs, 1922 accepted as Protogyrodactylus pyriformis (Johnston & Tiegs, 1922) (unaccepted > superseded combination)
2. Genus Gussevstrema Price & McClellan, 1969 accepted as Protogyrodactylus Johnston & Tiegs, 1922 (synonym)
   1. Species Gussevstrema amacleithrium Price & McClellan, 1969 accepted as Protogyrodactylus amacleithrium (Price & McClellan, 1969) Gusev, 1973 (Synonym)
3. Genus Protogyrodactylus Johnston & Tiegs, 1922
   1. Species Protogyrodactylus alatus Galli & Kritsky, 2008
   2. Species Protogyrodactylus alienus Bychowsky & Nagibina, 1974
   3. Species Protogyrodactylus amacleithrium (Price & McClellan, 1969) Gusev, 1973
   4. Species Protogyrodactylus bancrofti (Johnston & Tiegs, 1922)
   5. Species Protogyrodactylus chaetodontis (Reichenbach-Klinke, 1959) (uncertain > taxon inquirendum)
   6. Species Protogyrodactylus constrictus (Johnston & Tiegs, 1922)
   7. Species Protogyrodactylus delicatus Bychowsky & Nagibina, 1974
   8. Species Protogyrodactylus elegantis Bychowsky & Nagibina, 1974
   9. Species Protogyrodactylus elongatus Venkatanarsaiah, 1982
   10. Species Protogyrodactylus ethiopicus Boeger, Diamanka, Pariselle & Patella, 2012
   11. Species Protogyrodactylus fissilis Bychowsky & Nagibina, 1974
   12. Species Protogyrodactylus fredericae Galli & Kritsky, 2008
   13. Species Protogyrodactylus gussevi Bychowsky & Nagibina, 1974
   14. Species Protogyrodactylus hainanensis Pan, Ding & Zhang, 1995
   15. Species Protogyrodactylus ichthyocercus Kritsky, 2018
   16. Species Protogyrodactylus johnstonettiegsi Price & Pike, 1969
   17. Species Protogyrodactylus kritskyi Boeger, Diamanka, Pariselle & Patella, 2012
   18. Species Protogyrodactylus leptocirrus Zhang & Lin in Zhang, Yang & Lin, 2001
   19. Species Protogyrodactylus marinoides Bychowsky & Nagibina, 1974
   20. Species Protogyrodactylus marinus Gussev, 1973
   21. Species Protogyrodactylus monacanthus Kritsky, 2018
   22. Species Protogyrodactylus perforatus Bychowsky & Nagibina, 1974
   23. Species Protogyrodactylus pricei Venkatanarsaiah, 1982
   24. Species Protogyrodactylus pyriformis (Johnston & Tiegs, 1922)
   25. Species Protogyrodactylus quadratus Johnston & Tiegs, 1922
   26. Species Protogyrodactylus scalmophorus Kritsky, 2018
   27. Species Protogyrodactylus scapulasser (Mamaev, 1970) Gusev, 1973
   28. Species Protogyrodactylus similis Kritsky, 2018
   29. Species Protogyrodactylus solidus Bychowsky & Nagibina, 1974
   30. Species Protogyrodactylus sprostonae Bychowsky & Nagibina, 1974
   31. Species Protogyrodactylus vulgaris Kritsky, 2018
   32. Species Protogyrodactylus youngi Bychowsky & Nagibina, 1974
   33. Species Protogyrodactylus zullini Galli & Kritsky, 2008
4. Genus Trivitellina Johnston & Tiegs, 1922 accepted as Protogyrodactylus Johnston & Tiegs, 1922 (Synonym)
   1. Species Trivitellina subrotunda Johnston & Tiegs, 1922 accepted as Protogyrodactylus quadratus Johnston & Tiegs, 1922 (Synonym)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License