Opinions from E. H. Gilmour and E. M. Snyder 2000
- 'Alternifenestella belongs to Fenestellidae'
- 'Alternifenestella vagrantia belongs to Alternifenestella'
- 'Amplexoporina belongs to Trepostomida'
- 'Coeloclemis belongs to Stenoporidae'
- 'Coeloclemis urhausenii belongs to Coeloclemis'
- 'Cryptostomata is corrected as Cryptostomida and belongs to Stenolaemata'
- 'Cystoporata is corrected as Cystoporida and belongs to Stenolaemata'
- 'Dyscritella belongs to Dyscritellidae'
- 'Dyscritella iwaizakiensis belongs to Dyscritella' according to Sakagami 1961
- 'Dyscritella iwaizakiensis belongs to Dyscritella'
- 'Dyscritellidae belongs to Amplexoporina'
- 'Eridotrypellidae belongs to Amplexoporina'
- 'Fenestellidae belongs to Fenestrida'
- 'Fenestrida belongs to Stenolaemata'
- 'Fistuliporidae belongs to Fistuliporina'
- 'Fistuliporoidea is corrected as Fistuliporina and belongs to Cystoporida'
- 'Fistuliramus belongs to Fistuliporidae'
- 'Fistuliramus pacificus belongs to Fistuliramus'
- 'Girtyporidae belongs to Timanodictyina'
- 'Hayasakapora belongs to Girtyporidae'
- 'Hayasakapora erectoradiata belongs to Hayasakapora'
- 'Hexagonellidae belongs to Hexagonellina'
- 'Hexagonellina belongs to Cystoporida'
- 'Mackinneyella belongs to Polyporidae'
- 'Mackinneyella stylettia belongs to Mackinneyella'
- 'Meekoporella belongs to Hexagonellidae'
- 'Meekoporella inflecta belongs to Meekoporella'
- 'Neoeridotrypella belongs to Eridotrypellidae'
- 'Neoeridotrypella missionensis belongs to Neoeridotrypella'
- 'Nikiforovellidae belongs to Rhabdomesida'
- 'Pamirella belongs to Rhomboporidae'
- 'Pamirella oculus belongs to Pamirella'
- 'Parapolypora belongs to Polyporidae' according to Morozova and Lisitsyn 1996
- 'Pinegopora belongs to Nikiforovellidae'
- 'Pinegopora petita belongs to Pinegopora'
- 'Polypora belongs to Polyporidae'
- 'Polypora arbusca belongs to Polypora'
- 'Polyporidae belongs to Fenestrida'
- 'Rhomboporidae belongs to Rhabdomesida'
- 'Rhombotrypella belongs to Stenoporidae'
- 'Rhombotrypella kettlensis belongs to Rhombotrypella'
- 'Sakagamiina belongs to Timanodictyidae'
- 'Sakagamiina easternensis belongs to Sakagamiina'
- 'Stenoporidae belongs to Amplexoporina'
- 'Tabulipora belongs to Stenoporidae'
- 'Tabulipora colvillensis belongs to Tabulipora'
- 'Timanodictyidae belongs to Timanodictyina'
- 'Timanodictyina belongs to Cryptostomida'
- 'Trepostomata is corrected as Trepostomida and belongs to Stenolaemata'
- 'Wjatkella belongs to Polyporidae'
- 'Wjatkella nanea belongs to Wjatkella'