Opinions from J. Frýda 2000
- 'Bellerophon leda is recombined as Retispira leda'
- 'Cerithioides telescopium belongs to Cerithioides'
- 'Cerithioides whidborni belongs to Cerithioides'
- 'Cookiloxa belongs to Loxonematoidea'
- 'Cookiloxa pulchra belongs to Cookiloxa'
- 'Eiserhardtia belongs to Archaeogastropoda'
- 'Eiserhardtia inepta belongs to Eiserhardtia'
- 'Eotomariidae belongs to Archaeogastropoda'
- 'Heteroloxonema belongs to Heterostropha'
- 'Kirchneriella belongs to Omospirinae'
- 'Loxisonia [misspelled as Loxosonia] belongs to Gastropoda'
- 'Loxisonia hormotoma is recombined as Loxosonia hormotoma'
- 'Loxisonia zygopleuroides [misspelled as Loxosonia zygopleuroides] belongs to Loxosonia'
- 'Loxonema retrostriatum is recombined as Palaeozygopleura (Rhenozyga) retrostriatum'
- 'Loxonema spiraglobosum is recombined as Palaeozygopleura (Rhenozyga) spiraglobosum'
- 'Monodonta archon is recombined as Plagiothyra archon'
- 'Monodonta purpurea is recombined as Plagiothyra purpurea'
- 'Mourlonia subaequilatera is recombined as Stenoloron (Stenoloron) subaequitera'
- 'Murchisonia (Cerithioides) oweni is recombined as Cerithioides oweni'
- 'Murchisonia eversolensis is recombined as Cerithioides eversolensis'
- 'Naticopsinae belongs to Neritopsidae'
- 'Naticopsis belongs to Naticopsinae'
- 'Nerita subcostata is recombined as Paffrathopsis subcostata'
- 'Omospirinae belongs to Raphistomidae'
- 'Paffrathia lotzi belongs to Paffrathia'
- 'Paffrathopsis belongs to Naticopsinae'
- 'Palaeozygopleura (Rhenozyga) belongs to Palaeozygopleura'
- 'Palaeozygopleura machenryi is recombined as Palaeozygopleura (Rhenozyga) machenryi'
- 'Plagiothyra multispiralis belongs to Plagiothyra'
- 'Pleurotomaria (Stenoloron) viennayi is recombined as Stenoloron (Stenoloron) viennayi'
- 'Pleurotomaria altaica is recombined as Kirchneriella altaica'
- 'Quadricarina belongs to Eotomariidae'
- 'Quadricarina (Blodgettina) belongs to Quadricarina'
- 'Quadricarina (Blodgettina) was reranked as Blodgettina and belongs to Eotomariidae'
- 'Quadricarina (Blodgettina) reticulata belongs to Quadricarina (Blodgettina)'
- 'Retispira belongs to Knightitinae'
- 'Retispira tasselli belongs to Retispira'
- 'Stenoloron (Paffratholoron) belongs to Stenoloron'
- 'Stenoloron (Paffratholoron) goldfussi belongs to Stenoloron (Paffratholoron)'
- 'Stenoloron minor is recombined as Stenoloron (Stenoloron) minor'
- 'Stephanocosmia (Spiroecus) girvanensis is recombined as Spiroecus girvanensis'
- 'Trochotremaria pollens is recombined as Stenoloron (Stenoloron) pollens'
- 'Trochus (Palaeotrochus) praecursor is recombined as Pseudoplagiothyra praecursor'
- 'Turbo aequistriatus is recombined as Kirchneriella aequistriatus'
- 'Turbo multistriatus is recombined as Kirchneriella multistriata'
- 'Turbo striatus is recombined as Kirchneriella striata'
- 'Turritella monoliniformis is recombined as Heteroloxonema moniliniforme'