Opinions from I.P. Tolmachoff 1930
- 'Arctomphalus belongs to Gastropoda'
- 'Arctomphalus grandis belongs to Arctomphalus'
- 'Bellerophon carinatus belongs to Bellerophon'
- 'Bellerophon scheii belongs to Bellerophon'
- 'Bellerophon sverdrupi belongs to Bellerophon'
- 'Bucanopsis reticulatus belongs to Bucanopsis'
- 'Callonema gracilis belongs to Callonema'
- 'Euomphalus serpens is recombined as Philoxene serpens'
- 'Euomphalus sinister belongs to Euomphalus'
- 'Euomphalus tuberculatus belongs to Euomphalus'
- 'Euryzone intermedia belongs to Euryzone'
- 'Euryzone striata belongs to Euryzone'
- 'Gosseletina brondensis belongs to Gosseletina'
- 'Gosseletina broondensis belongs to Gosseletina'
- 'Holopea marylandica belongs to Holopea'
- 'Holopea simmonensis belongs to Holopea'
- 'Lepetopsis concentrica belongs to Lepetopsis'
- 'Lepetopsis devonica belongs to Lepetopsis'
- 'Lepetopsis recta belongs to Lepetopsis'
- 'Liospira devonica belongs to Liospira'
- 'Lophospira arctica belongs to Lophospira'
- 'Loxonema solvens belongs to Loxonema'
- 'Loxonema stylum belongs to Loxonema'
- 'Macrocheilus elongata is recombined as Macrochilina elongata'
- 'Macrochilina fusoidalis belongs to Macrochilina'
- 'Macrochilina whidborni belongs to Macrochilina'
- 'Melania prisca is recombined as Loxonema priscum'
- 'Naticopsis minuta belongs to Naticopsis'
- 'Orthonychia talon belongs to Orthonychia'
- 'Phanerotinus militaris belongs to Phanerotinus'
- 'Platyceras fecundum belongs to Platyceras'
- 'Platyceras perneri belongs to Platyceras'
- 'Turritella trochleata is recombined as Loxonema trochleatum'