Opinions from A. Spitz 1907
- 'Bellerophon (Sphaerocyclus) altemontanus belongs to Bellerophon (Sphaerocyclus)'
- 'Bellerophon (Sphaerocyclus) angustomphalus belongs to Bellerophon (Sphaerocyclus)'
- 'Bellerophon (Sphaerocyclus) exquisitus belongs to Bellerophon (Sphaerocyclus)'
- 'Bellerophon (Sphaerocyclus) heros belongs to Bellerophon (Sphaerocyclus)'
- 'Bellerophon (Sphaerocyclus) iners belongs to Bellerophon (Sphaerocyclus)'
- 'Bellerophon (Tropidocyclus) telescopus is recombined as Bellerophon (Coelocyclus) telescopus'
- 'Bellerophon hintzei is recombined as Bellerophon (Sphaerocyclus) hintzei'
- 'Cyclonema immersum belongs to Cyclonema'
- 'Cyclonema persimile belongs to Cyclonema'
- 'Cyclotropis was reranked as Euomphalus (Cyclotropis) and belongs to Euomphalus'
- 'Cyclotropis docens is recombined as Euomphalus (Cyclotropis) docens'
- 'Cyrtolites discus is recombined as Zonidiscus discus'
- 'Euomphalopterus bicarinatus belongs to Euomphalopterus'
- 'Euomphalus (Morphotropis) ater belongs to Euomphalus (Morphotropis)'
- 'Euomphalus (Morphotropis) kokeni belongs to Euomphalus (Morphotropis)'
- 'Euomphalus (Morphotropis) lituites belongs to Euomphalus (Morphotropis)'
- 'Euomphalus (Morphotropis) monticola belongs to Euomphalus (Morphotropis)'
- 'Euomphalus (Morphotropis) solutus belongs to Euomphalus (Morphotropis)'
- 'Euomphalus carnicus is recombined as Morphotropis carnicus'
- 'Euomphalus gotlandicus is recombined as Pachystrophia gotlandicus'
- 'Helictes aequilaterus is recombined as Pleurotomaria (Stenoloron) aequilatera'
- 'Holopella dilatata belongs to Holopella'
- 'Holopella incerta belongs to Holopella'
- 'Horiostoma involutum is recombined as Polytropis involuta'
- 'Horiostoma tubiger is recombined as Oriostoma tubigerum'
- 'Loxonema enantiomorphum is recombined as Holopella enantiomorpha'
- 'Loxonema ingens belongs to Loxonema'
- 'Loxonema magnificum belongs to Loxonema'
- 'Loxonema rectangulare belongs to Loxonema'
- 'Loxonema robusta is corrected as Loxonema robustum and belongs to Loxonema'
- 'Macrochilina fusiforme is replaced by Macrochilina frechi'
- 'Macrochilina frechi belongs to Macrochilina'
- 'Macrochilina subtilis belongs to Macrochilina'
- 'Morphotropis was reranked as Euomphalus (Morphotropis) and belongs to Euomphalus'
- 'Murchisonia altevittata belongs to Murchisonia'
- 'Murchisonia concava belongs to Murchisonia'
- 'Murchisonia convexa belongs to Murchisonia'
- 'Murchisonia davyi alpina belongs to Murchisonia davyi'
- 'Murchisonia fornicata belongs to Murchisonia'
- 'Murchisonia kayseri belongs to Murchisonia'
- 'Murchisonia reverdyi belongs to Murchisonia'
- 'Murchisonia rotundata belongs to Murchisonia'
- 'Murchisonia semiornata belongs to Murchisonia'
- 'Naticopsis confusa belongs to Naticopsis'
- 'Oriostoma helicinum is recombined as Euomphalus (Morphotropis) helicinum'
- 'Orthonychia elegans belongs to Orthonychia'
- 'Orthonychia obliquesulcata belongs to Orthonychia'
- 'Oxydiscus geyeri is recombined as Zonidiscus geyeri'
- 'Palaeoscurria capuliformis belongs to Palaeoscurria'
- 'Phanerotrema calliaudi is recombined as Pleurotomaria (Phanerotrema) calliaudi'
- 'Platyceras (Orthonychia) cornutum is recombined as Orthonychia cornuta'
- 'Platyceras holzapfeli belongs to Platyceras'
- 'Platyceras oehlerti belongs to Platyceras'
- 'Pleurotomaria (Biangularia) belongs to Pleurotomaria'
- 'Pleurotomaria (Biangularia) frechi belongs to Pleurotomaria (Biangularia)'
- 'Pleurotomaria (Euryzone) coluber alpina belongs to Pleurotomaria (Euryzone) coluber'
- 'Pleurotomaria (Euryzone) euomphaloides belongs to Pleurotomaria (Euryzone)'
- 'Pleurotomaria (Oehlertia) quadrata belongs to Pleurotomaria (Oehlertia)'
- 'Pleurotomaria (Oehlertia) trochiformis belongs to Pleurotomaria (Oehlertia)'
- 'Pleurotomaria (Phanerotrema) cailliaudi belongs to Pleurotomaria (Phanerotrema)'
- 'Pleurotomaria (Phanerotrema) labrosa alpina belongs to Pleurotomaria (Phanerotrema) labrosa'
- 'Pleurotomaria (Phanerotrema) volajensis belongs to Pleurotomaria (Phanerotrema)'
- 'Pleurotomaria (Ptychomphalina) taramellii belongs to Pleurotomaria (Ptychomphalina)'
- 'Pleurotomaria (Stenoloron) italica belongs to Pleurotomaria (Stenoloron)'
- 'Pleurotomaria (Stenoloron) viennayi belongs to Stenoloron'
- 'Pleurotomaria carnica is recombined as Euryzone carnica'
- 'Pleurotomaria carnica evoluta is recombined as Pleurotomaria (Euryzone) evoluta'
- 'Pleurotomaria ella is recombined as Oehlertia ella'
- 'Pleurotomaria grimburgi belongs to Pleurotomaria'
- 'Pleurotomaria hebe is recombined as Pleurotomaria (Oehlertia) hebe'
- 'Pleurotomaria labrosa is recombined as Pleurotomaria (Phanerotrema) labrosa'
- 'Pleurotomaria labrosa occidens is recombined as Phanerotrema occidens'
- 'Pleurotomaria limata is recombined as Euomphalopterus limata'
- 'Pleurotomaria praetexta is recombined as Euomphalopterus praetextus'
- 'Pleurotomaria togata is recombined as Euomphalopterus togatus'
- 'Polytropis barroisi belongs to Polytropis'
- 'Straparollus coluber is recombined as Pleurotomaria (Euryzone) coluber'
- 'Tremanotus fortis belongs to Tremanotus'
- 'Tremanotus fortis alpina belongs to Tremanotus fortis'
- 'Tremanotus parvus belongs to Tremanotus'
- 'Triangularia paradoxa belongs to Triangularia'
- 'Trochotremaria pollens is recombined as Pleurotomaria (Stenoloron) pollens'
- 'Trochus annae belongs to Trochus'
- 'Trochus conspicuus belongs to Trochus'
- 'Trochus scupini belongs to Trochus'
- 'Trochus stachei belongs to Trochus'
- 'Trochus vilis belongs to Trochus'
- 'Zonidiscus carnicus belongs to Zonidiscus'
- 'Zonidiscus decussata belongs to Zonidiscus'