Opinions from A. Ernst 2001
- 'Acanthocladia belongs to Acanthocladiinae'
- 'Acanthocladia laxa belongs to Acanthocladia'
- 'Acanthocladia laxa belongs to Acanthocladia' according to Korn 1930
- 'Acanthocladia minor belongs to Acanthocladia' according to Korn 1930
- 'Acanthocladia minor belongs to Acanthocladia'
- 'Acanthocladiinae belongs to Acanthocladiidae'
- 'Anisotrypidae belongs to Trepostomida'
- 'Aulopora voigtiana is recombined as Corynotrypa voigtiana'
- 'Batostomella angularis belongs to Batostomella' according to Trizna 1948
- 'Batostomella angularis is recombined as Dyscritella angularis'
- 'Dyscritella microstoma belongs to Dyscritella'
- 'Dyscritella tenuimuralis belongs to Dyscritella'
- 'Dyscritella tenuimuralis belongs to Dyscritella' according to Morozova 1970
- 'Dyscritella tubulosa belongs to Dyscritella' according to Morozova 1970
- 'Dyscritella tubulosa belongs to Dyscritella'
- 'Fenestella geinitzi is recombined as Spinofenestella geinitzi'
- 'Fenestella geinitzi belongs to Fenestella' according to d'Orbigny 1850
- 'Fenestella minuta is recombined as Spinofenestella minuta'
- 'Fenestella minuta belongs to Fenestella' according to Korn 1930
- 'Gorgonia ehrenbergi belongs to Gorgonia' according to Geinitz 1846
- 'Gorgonia ehrenbergi is recombined as Kingopora ehrenbergi'
- 'Kalvariella belongs to Acanthocladiinae'
- 'Kalvariella typica belongs to Kalvariella'
- 'Kalvariella typica belongs to Kalvariella' according to Morozova 1970
- 'Keratophytes anceps is recombined as Acanthocladia anceps'
- 'Keratophytes retiformis is recombined as Rectifenestella retiformis'
- 'Kingopora belongs to Reteporidrinae'
- 'Kingopora baderi belongs to Kingopora'
- 'Penniretepora waltheri belongs to Penniretepora' according to Korn 1930
- 'Penniretepora waltheri belongs to Penniretepora'
- 'Protoretepora solida is a subjective synonym of Kingopora ehrenbergi'
- 'Reteporidrinae belongs to Reteporinidae'
- 'Reteporinidae belongs to Fenestellina'
- 'Spinofenestella belongs to Fenestellinae'
- 'Thamniscus diffusus belongs to Thamniscus' according to Korn 1930
- 'Thamniscus diffusus is recombined as Acanthocladia diffusa'
- 'Ulrichotrypa belongs to Anisotrypidae'
- 'Ulrichotrypa incrustata belongs to Ulrichotrypa'