Opinions from J. Kukalová 1965
- 'Archelytridae belongs to Protelytroptera'
- 'Blattinopsidae belongs to Protorthoptera'
- 'Blattinopsis (Blattinopsis) campestris belongs to Blattinopsis (Blattinopsis)'
- 'Blattinopsis (Blattinopsis) latissima belongs to Blattinopsis (Blattinopsis)'
- 'Blattinopsis (Blattinopsis) martynovae belongs to Blattinopsis (Blattinopsis)'
- 'Crasselytron belongs to Protelytridae'
- 'Crasselytron convexum belongs to Crasselytron'
- 'Cymbopsidae belongs to Protorthoptera'
- 'Cymbopsis belongs to Cymbopsidae'
- 'Cymbopsis excelsa belongs to Cymbopsis'
- 'Elytroneuridae belongs to Protelytroptera'
- 'Epimastacidae belongs to Protorthoptera'
- 'Epimastax belongs to Epimastacidae'
- 'Epimastax celer belongs to Epimastax'
- 'Glabelytron belongs to Elytroneuridae'
- 'Glabelytron lativenosum belongs to Glabelytron'
- 'Glaphyrophlebia belongs to Blattinopsidae'
- 'Glaphyrophlebia clava belongs to Glaphyrophlebia'
- 'Ortelytron belongs to Archelytridae'
- 'Ortelytron artum belongs to Ortelytron'
- 'Ortelytron europaeum belongs to Ortelytron'
- 'Planelytridae belongs to Protelytroptera'
- 'Planelytron belongs to Planelytridae'
- 'Planelytron planum belongs to Planelytron'
- 'Protelytridae belongs to Protelytroptera'
- 'Retelytron belongs to Tshekardocoleidae'
- 'Retelytron conopeum belongs to Retelytron'
- 'Rugelytron belongs to Protelytridae'
- 'Rugelytron fuscum belongs to Rugelytron'
- 'Spargoptilon belongs to Strephocladidae'
- 'Spargoptilon confertus belongs to Spargoptilon'
- 'Spargoptilon latericius belongs to Spargoptilon'
- 'Strephocladidae belongs to Protorthoptera'
- 'Venelytron belongs to Protelytridae'
- 'Venelytron tuberculatum belongs to Venelytron'