Opinions from R. E. Sloan and G. F. Webers 1987
- 'Bellerophon lindsleyi [misspelled as Bucania lindleyi] belongs to Bucania'
- 'Carinaropsis [misspelled as Carinopsis] belongs to Bellerophontida'
- 'Carinaropsis acuta [misspelled as Carinopsis acuta] belongs to Carinopsis'
- 'Clioderma attenuata is recombined as Phragmolites attenuata'
- 'Coelocaulus neglectus is recombined as Michelia neglectus'
- 'Conradella obliqua is recombined as Phragmolites obliquus'
- 'Cyrtolites dilatus [misspelled as Cyrtolites dilatatus] belongs to Cyrtolites'
- 'Cyrtospira wykoffensis is recombined as Cyrtolites wykoffensis'
- 'Eccyliomphalus subrotundus is recombined as Ecculiomphalus subrotundus'
- 'Eccyliopterus beloitensis is recombined as Ecculiomphalus beloitensis'
- 'Eunema prisca is recombined as Eotomaria prisca'
- 'Fusispira angusta is corrected as Fusispira angustus and belongs to Fusispira'
- 'Fusispira angusta subplana is recombined as Fusispira subplana'
- 'Fusispira convexa [misspelled as Fusispira convexis] belongs to Fusispira'
- 'Gyronema liratum is recombined as Trochonema lirata'
- 'Liospira angustata [misspelled as Liospira angustina] belongs to Liospira'
- 'Murchisonia angustata is recombined as Hormotoma angustata'
- 'Murchisonia multivolvis [misspelled as Hormotoma mulivolvis] belongs to Murchisonia (Hormotoma)'
- 'Murchisonia serrulata [misspelled as Lophospira serratula] belongs to Lophospira'
- 'Ophileta owenana is recombined as Ecculiomphalus owenanus'
- 'Palaeacmaea humilis is recombined as Triblydium humilis'
- 'Platyceras vetulum is recombined as Cyrtonellopsis vetulum'
- 'Pleurotomaria aiens is recombined as Horiostomella aiens'
- 'Pleurotomaria clivosa is recombined as Eunema clivosa'
- 'Pleurotomaria percarinata is recombined as Trochonema percarinatum'
- 'Pleurotomaria progne [misspelled as Liospira progue] belongs to Liospira'
- 'Pleurotomaria subconica is recombined as Clathrospira subconicus'
- 'Pleurotomaria umbilicata [misspelled as Trochonema unbilicatum] belongs to Trochonema'
- 'Protowarthia concinna is recombined as Sinuites concinnus'
- 'Protowarthia pervoluta [misspelled as Sinuites pervolutus] belongs to Sinuites'
- 'Raphistoma peracutum [misspelled as Rhaphistoma peracutum] belongs to Rhaphistoma'
- 'Salpingostoma imbricata is corrected as Salpingostoma imbricatum and belongs to Salpingostoma'
- 'Salpingostoma sculptilis [misspelled as Salpingostoma sculptile] belongs to Salpingostoma'
- 'Subulites dixonenesis is corrected as Subulites dixonensis and belongs to Subulites'
- 'Tryblidium [misspelled as Triblydium] belongs to Monoplacophora'
- 'Tryblidium exserta [misspelled as Triblydium excertum] belongs to Triblydium'