1. Genus Beklemischeviella Luther, 1943
2. Genus Brederveldia van der Velde & van de Winkel, 1975
3. Genus Ceratopera Den Hartog, 1964
4. Genus Cryptostiopera Ehlers & Ax, 1974
5. Genus Feanora De Clerck & Schockaert, 1995
6. Genus Lutheriella Den Hartog, 1966
7. Genus Mahurubia Willems, Artois, Vermin, Backeljau & Schockaert, 2005
8. Genus Parapharyngiella Willems, Artois, Vermin, Backeljau & Schockaert, 2005
9. Genus Petaliella Ehlers, 1974
10. Genus Proxenetes Jensen, 1878
11. Genus Ptychopera Den Hartog, 1964
12. Genus Trigonostomum Schmidt, 1852
13. Subfamily Astrotorhynchinae Graff, 1905 accepted as Paramesostominae Luther, 1948
14. Genus Beklemisheviella accepted as Beklemischeviella Luther, 1943 (Literature misspelling by Faubel & Noreña (2001))
15. Genus Hyporcus Graff, 1905 accepted as Trigonostomum Schmidt, 1852 (nomen oblitum)
16. Genus Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852
17. Genus Kylosphaera Jensen, 1878 accepted as Trigonostomum Schmidt, 1852
18. Subfamily Mariplanellinae Ax & Heller, 1970 accepted as Mariplanellidae Ax & Heller, 1970
19. Genus Mesoplana accepted as Messoplana Den Hartog, 1966 accepted as Ceratopera Den Hartog, 1964 (unaccepted > misspelling - incorrect subsequent spelling)
20. Genus Messoplana Den Hartog, 1966 accepted as Ceratopera Den Hartog, 1964 (unaccepted > junior subjective synonym)
21. Genus Orcus Uljanin, 1870 accepted as Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852
22. Subfamily Proxenetinae Graff, 1882 accepted as Trigonostominae Graff, 1905 accepted as Trigonostomidae Graff, 1905
23. Genus Ptychoptera accepted as Ptychopera Den Hartog, 1964 (unaccepted > misspelling - incorrect subsequent spelling, Literature misspelling by Dittmann & Reise (1985), Schockaert & Martens (1985) and Noreña et al. (2003))
24. Genus Spiroclytus Schmidt, 1857 accepted as Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852 (Schmidt (1857) proposes this as a replacement name for Trigonostomum Schmidt, 1852, for etymological reasons. This is not according to the rules of ICZN, zo Spiroclytus stays a junior synonym of Trigonostomum.)
25. Subfamily Trigonostominae Graff, 1905 accepted as Trigonostomidae Graff, 1905
26. Genus Woodsholia Graff, 1911 accepted as Trigonostomum Schmidt, 1852

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