Opinions from A. Schrammen 1912
- 'Actinocyclus mirus belongs to Actinocyclus'
- 'Aphrocallistes cylindrodactylus belongs to Aphrocallistes'
- 'Aphrocallistes lobatus belongs to Aphrocallistes'
- 'Auloplax spongiosus belongs to Auloplax'
- 'Becksia arborea belongs to Becksia'
- 'Becksia augustae belongs to Becksia' according to Schrammen 1902
- 'Becksia feuerwehri belongs to Becksia'
- 'Becksia soekelandi belongs to Becksia' according to Schlüter 1868
- 'Bolitesia mirabilis belongs to Bolitesia'
- 'Botryosella labyrinthica belongs to Botryosella'
- 'Brachiolites labrosus is recombined as Plectascus labrosus'
- 'Callicylix farreides belongs to Callicylix'
- 'Callodictyon infundibulum belongs to Callodictyon' according to Zittel 1877
- 'Calyptrella bertae belongs to Calyptrella'
- 'Cameroptychium patella belongs to Cameroptychium' according to Leonhard 1897
- 'Cameroptychium planum belongs to Cameroptychium'
- 'Camerospongia pervia belongs to Camerospongia'
- 'Chonelasma hindei belongs to Chonelasma'
- 'Chonelasma punctata belongs to Chonelasma'
- 'Cinclidella solitaria belongs to Cinclidella'
- 'Coeloptychium agaricoides belongs to Coeloptychium' according to Goldfuss 1826
- 'Coeloptychium alternans belongs to Coeloptychium' according to Roemer 1841
- 'Coeloptychium alternans is recombined as Actinocyclus alternans'
- 'Coeloptychium incisum belongs to Coeloptychium' according to Roemer 1841
- 'Coeloptychium princeps belongs to Coeloptychium' according to Roemer 1864
- 'Coeloptychium rude belongs to Coeloptychium' according to Zittel 1876
- 'Coeloptychium seebachi belongs to Coeloptychium' according to Zittel 1876
- 'Coeloptychium sulciferum belongs to Coeloptychium' according to Roemer 1841
- 'Coscinopora macropora belongs to Coscinopora' according to Goldfuss 1826
- 'Craticularia relicta belongs to Craticularia'
- 'Craticularia roemeri belongs to Craticularia'
- 'Craticularia virgatula belongs to Craticularia'
- 'Cyclostigma lobata belongs to Cyclostigma'
- 'Cyclostigma maeandrina belongs to Cyclostigma'
- 'Cystispongia monostoma belongs to Cystispongia'
- 'Dendrospongia clathrata belongs to Dendrospongia' according to Roemer 1864
- 'Dendrospongia clathrata is recombined as Plectascus clathratus'
- 'Eubrochis senonica belongs to Eubrochis' according to Schrammen 1902
- 'Eubrochis senonica is recombined as Callibrochis senonensis'
- 'Eudictyon is replaced by Napaea'
- 'Eurete rauffi belongs to Eurete'
- 'Farrea clarkei belongs to Farrea'
- 'Farrea halli belongs to Farrea'
- 'Guettardia bisalata belongs to Guettardia'
- 'Guettardia striata belongs to Guettardia'
- 'Gyrispongia crispata belongs to Gyrispongia' according to Quenstedt 1877
- 'Gyrispongia crispata is recombined as Becksia crispata'
- 'Habrosium convolutum belongs to Habrosium'
- 'Hapalopegma fragilis belongs to Hapalopegma'
- 'Hapalopegma maeandrina belongs to Hapalopegma'
- 'Hexactinella laevis belongs to Hexactinella'
- 'Lefroyella favoidea belongs to Lefroyella'
- 'Leiostracosia brandesi belongs to Leiostracosia'
- 'Leiostracosia punctata belongs to Leiostracosia' according to Schrammen 1902
- 'Lepidospongia inermis belongs to Lepidospongia'
- 'Lepidospongia rugosa belongs to Lepidospongia' according to Schlueter 1870
- 'Leptophragma micropora belongs to Leptophragma'
- 'Marshallia frechi belongs to Marshallia'
- 'Myrmecioptychium bodei belongs to Myrmecioptychium'
- 'Napaea micropora belongs to Napaea'
- 'Oncotoechus cavernosus belongs to Oncotoechus'
- 'Ornatus is replaced by Phalacrus'
- 'Oxyrhizium eximium belongs to Oxyrhizium'
- 'Pachylepisma robusta belongs to Pachylepisma' according to Schrammen 1902
- 'Pachylepisma robusta is recombined as Leiostracosia robusta'
- 'Periphragella johannae belongs to Periphragella'
- 'Periphragella simplex belongs to Periphragella'
- 'Phalacrus decurrens belongs to Phalacrus'
- 'Phalacrus flosculus belongs to Phalacrus'
- 'Phalacrus hemisphaericus belongs to Phalacrus'
- 'Pleurochorium schulzei belongs to Pleurochorium'
- 'Pleuropyge plana belongs to Pleuropyge'
- 'Pleurostoma lacunosum belongs to Pleurostoma' according to Roemer 1841
- 'Pleurostoma lacunosum is recombined as Pleurope lacunosa' according to Zittel 1877
- 'Pleurothyris folium belongs to Pleurothyris'
- 'Pleurothyris tortuosa belongs to Pleurothyris'
- 'Plocoscyphia centuncula belongs to Plocoscyphia'
- 'Plocoscyphia maaki belongs to Plocoscyphia'
- 'Plocoscyphia nidiformis belongs to Plocoscyphia' according to Leonhard 1897
- 'Plocoscyphia nidiformis is recombined as Becksia nidiformis'
- 'Polystigmatium striatopunctatum belongs to Polystigmatium'
- 'Polythyris cuneata belongs to Polythyris'
- 'Ptychodesia papillata belongs to Ptychodesia'
- 'Regadrella petrijacobi belongs to Regadrella'
- 'Rhizopoterion solidum belongs to Rhizopoterion'
- 'Rhizopoterion tubiforme belongs to Rhizopoterion'
- 'Sarophora armata belongs to Sarophora'
- 'Scleroplegma macrochorium belongs to Scleroplegma'
- 'Scyphia alveolites belongs to Scyphia' according to Roemer 1841
- 'Scyphia alveolites is recombined as Aphrocallistes alveolites' according to Zittel 1878
- 'Scyphia angustata belongs to Scyphia' according to Roemer 1841
- 'Scyphia angustata is recombined as Ventriculites angustatus' according to Hinde 1883
- 'Scyphia angustata is recombined as Leiostracosia angustata'
- 'Scyphia decheni is recombined as Sporadoscinia decheni' according to Zittel 1877
- 'Scyphia decheni belongs to Scyphia' according to Goldfuss 1826
- 'Scyphia fragilis belongs to Scyphia' according to Roemer 1841
- 'Scyphia fragilis is recombined as Leptophragma fragile' according to Leonhard 1897
- 'Scyphia fragilis is recombined as Callodictyon fragile'
- 'Scyphia micrommata belongs to Scyphia' according to Roemer 1841
- 'Scyphia micrommata is recombined as Sporadoscinia micrommata' according to Zittel 1877
- 'Scyphia venosa belongs to Scyphia' according to Roemer 1841
- 'Scyphia venosa is recombined as Sporadoscinia venosa' according to Wollemann 1902
- 'Sporadoscinia quenstedti belongs to Sporadoscinia'
- 'Sporadoscinia stirps belongs to Sporadoscinia'
- 'Sporadoscinia teutoniae belongs to Sporadoscinia'
- 'Stereochlamis caliculum belongs to Stereochlamis'
- 'Stereochlamis pilosa belongs to Stereochlamis'
- 'Stereochlamis praecissa belongs to Stereochlamis'
- 'Stichmaptyx alatus belongs to Stichmaptyx'
- 'Syringium textum belongs to Syringium'
- 'Toulminia compressa belongs to Toulminia'
- 'Toulminia wollemanni belongs to Toulminia'
- 'Tremabolites leonhardi belongs to Tremabolites'
- 'Tretodictyum loeschmanni belongs to Tretodictyum'
- 'Tretodictyum pfaffi belongs to Tretodictyum'
- 'Ventriculites alcyonoides belongs to Ventriculites' according to Mantell 1822
- 'Ventriculites alcyonoides is recombined as Leiostracosia alcyonoides'
- 'Ventriculites benettiae belongs to Ventriculites' according to Mantell 1822
- 'Ventriculites benettiae is recombined as Toulminia benettiae'
- 'Ventriculites cylindratus belongs to Ventriculites'
- 'Ventriculites fistulosus belongs to Ventriculites'
- 'Ventriculites stellatus belongs to Ventriculites' according to Schrammen 1902
- 'Wollemannia araneosa belongs to Wollemannia'