Opinions from A. S. Dagys 1965
- 'Arctothyris solitus belongs to Arctothyris'
- 'Aulacothyroides bulkutensis belongs to Aulacothyroides'
- 'Dentospiriferina pepeliaevi belongs to Dentospiriferina'
- 'Dielasma zealandica belongs to Dielasma' according to Trechman 1917
- 'Dielasma zealandica is recombined as Fletcherina zealandica'
- 'Halorella chindyensis belongs to Halorella' according to Moiseev 1947
- 'Halorella chindyensis is a subjective synonym of Halorella amphitoma'
- 'Halorella pamirensis belongs to Halorella' according to Moisseev 1947
- 'Halorella pamirensis is a subjective synonym of Halorella amphitoma'
- 'Holcorhynchia anceps belongs to Holcorhynchia'
- 'Holcorhynchia gizhigensis belongs to Holcorhynchia'
- 'Kolymithyris orotschensis belongs to Kolymithyris'
- 'Kolymithyris vastus belongs to Kolymithyris'
- 'Laballa bittneri belongs to Laballa'
- 'Lepismatina arctica belongs to Lepismatina'
- 'Lepismatina sinucosta belongs to Lepismatina'
- 'Lingula arctica belongs to Lingula' according to Wittenburg 1910
- 'Lingula arctica belongs to Lingula'
- 'Lingula borealis belongs to Lingula'
- 'Lingula kedonensis belongs to Lingula'
- 'Lingula olenekensis belongs to Lingula'
- 'Lingula polaris belongs to Lingula'
- 'Lingula subtenuissima belongs to Lingula' according to Kiparisova 1940
- 'Lobothyris rossochae belongs to Lobothyris'
- 'Lobothyris tuchkovi belongs to Lobothyris'
- 'Maxillirhynchia triadica belongs to Maxillirhynchia'
- 'Mentzelia rotunda is recombined as Viligella rotunda'
- 'Mentzelia rotunda belongs to Mentzelia' according to Tuchkov 1956
- 'Norella tibetica belongs to Norella'
- 'Omolonella korkodonica belongs to Omolonella'
- 'Omolonella munugudjakensis belongs to Omolonella'
- 'Omolonella omolonensis belongs to Omolonella' according to Moisseiev 1936
- 'Omolonella omolonensis belongs to Omolonella'
- 'Orbiculoidea sibirica belongs to Orbiculoidea' according to Moisseiev 1947
- 'Orbiculoidea sibirica belongs to Orbiculoidea'
- 'Orientospira gregaria belongs to Orientospira'
- 'Orientospira pinguis belongs to Orientospira'
- 'Oxycolpella ochotica belongs to Oxycolpella'
- 'Pennospiriferina pacifica belongs to Pennospiriferina'
- 'Pennospiriferina popovi belongs to Pennospiriferina'
- 'Piarorhynchia angustiplicata belongs to Piarorhynchia'
- 'Piarorhynchia atrita belongs to Piarorhynchia'
- 'Piarorhynchia diva belongs to Piarorhynchia'
- 'Piarorhynchia formalis belongs to Piarorhynchia'
- 'Piarorhynchia ochotica belongs to Piarorhynchia'
- 'Piarorhynchia risilla belongs to Piarorhynchia'
- 'Piarorhynchia trinodosiformis belongs to Piarorhynchia'
- 'Piarorhynchia viligensis belongs to Piarorhynchia'
- 'Piarorhynchia yakutica belongs to Piarorhynchia'
- 'Pseudohalorella sibirica belongs to Pseudohalorella'
- 'Rhynchonella howardi is recombined as Piarorhynchia howardi'
- 'Rhynchonella retractifrons is recombined as Norella retractifrons'
- 'Rhynchonella sambosanensis is recombined as Holcorhynchia sambosanensis'
- 'Rhynchonella wollossowitschi is recombined as Sinuplicorhynchia wollossowitschi'
- 'Rhynchonella wollossowitschi belongs to Rhynchonella' according to Diener 1925
- 'Sakawairhynchia olenekensis belongs to Sakawairhynchia'
- 'Sakawairhynchia tokombensis belongs to Sakawairhynchia'
- 'Sakawairhynchia tokombensis belongs to Sakawairhynchia' according to Tokuyama 1957
- 'Sinuplicorhynchia kegalensis belongs to Sinuplicorhynchia'
- 'Spiriferina asiatica belongs to Spiriferina'
- 'Spiriferina kiparisovae belongs to Spiriferina'
- 'Spiriferina shalshalensis belongs to Spiriferina'
- 'Spiriferina terekhovi belongs to Spiriferina'
- 'Spiriferina viligensis belongs to Spiriferina'
- 'Terebratula amphitoma is recombined as Halorella amphitoma'
- 'Terebratula margaritovi is recombined as Fletcherina margaritovi'
- 'Terebratula margaritovi belongs to Terebratula' according to Bittner 1899
- 'Terebratula pedata belongs to Terebratula' according to Bronn 1832
- 'Terebratula pedata is a subjective synonym of Halorella amphitoma'
- 'Thecocyrtella orientalis belongs to Thecocyrtella' according to Ivanova 1960
- 'Viligella dubia belongs to Viligella'
- 'Viligella plicata belongs to Viligella'
- 'Zeilleria kolymensis belongs to Zeilleria' according to Moisseiev 1937
- 'Zeilleria kolymensis is recombined as Kolymithyris kolymensis'
- 'Zugmayerella eurea belongs to Zugmayerella'
- 'Zugmayerella inaequiplicata belongs to Zugmayerella'