Opinions from W. W. Korth 1984
- 'Acritoparamys belongs to Ischyromyidae'
- 'Apatosciuravus belongs to Ischyromyidae'
- 'Apatosciuravus bifax belongs to Apatosciuravus'
- 'Dawsonomys minor is recombined as Knightomys minor'
- 'Dawsonomys minor belongs to Dawsonomys' according to A. Wood 1965
- 'Franimys ambos belongs to Franimys'
- 'Franimys lysitensis is a subjective synonym of Paramys excavatus'
- 'Franimys lysitensis belongs to Franimys' according to Guthrie 1967
- 'Leptotomus costilloi is recombined as Notoparamys costilloi'
- 'Leptotomus gigans is recombined as Quadratomus gigans'
- 'Leptotomus grandis is recombined as Quadratomus grandis'
- 'Leptotomus huerfanensis is a subjective synonym of Thisbemys perditus'
- 'Leptotomus loomisi is a subjective synonym of Mytonomys coloradensis'
- 'Mattimys belongs to Eutypomyidae'
- 'Microparamys cathedralis is a subjective synonym of Knightomys depressus'
- 'Microparamys lysitensis is a subjective synonym of Knightomys depressus'
- 'Microparamys reginensis belongs to Microparamys'
- 'Microparamys scopaiodon belongs to Microparamys'
- 'Microparamys wilsoni is recombined as Mysops wilsoni'
- 'Microparamys wyomingensis is recombined as Acritoparamys wyomingensis'
- 'Mysops kalicola is recombined as Mattimys kalicola'
- 'Notoparamys belongs to Ischyromyidae'
- 'Notoparamys arctios belongs to Notoparamys'
- 'Paramys annectens is a subjective synonym of Acritoparamys atwateri'
- 'Paramys atavus is recombined as Acritoparamys atavus'
- 'Paramys atwateri is recombined as Acritoparamys atwateri'
- 'Paramys bicuspis is a subjective synonym of Paramys copei'
- 'Paramys delicatissimus is recombined as Reithroparamys delicatissimus'
- 'Paramys francesi is recombined as Acritoparamys francesi'
- 'Paramys huerfanensis is recombined as Knightomys huerfanensis'
- 'Paramys major is a subjective synonym of Paramys copei'
- 'Paramys minutus is recombined as Microparamys minutus'
- 'Paramys murinus is recombined as Lophiparamys murinus'
- 'Paramys primaevus is a subjective synonym of Paramys copei'
- 'Paramys quadratus is a subjective synonym of Paramys copei'
- 'Paramys simpsoni belongs to Paramys'
- 'Paramys taurus belongs to Paramys'
- 'Paramys wortmani is recombined as Mytonomys wortmani'
- 'Plesiarctomys buccatus is recombined as Franimys buccatus'
- 'Plesiarctomys sciuroides is recombined as Reithroparamys sciuroides'
- 'Pseudotomus coloradensis is recombined as Mytonomys coloradensis'
- 'Quadratomus belongs to Manitshinae'
- 'Reithroparamys ctenodactylops belongs to Reithroparamys'
- 'Reithroparamys pattersoni is recombined as Acritoparamys pattersoni'
- 'Sciuravus belongs to Sciuravidae'
- 'Sciuravus depressus is recombined as Knightomys depressus'
- 'Sciuravus depressus is recombined as Knightomys depressus' according to A. Wood 1965
- 'Sciuravus depressus belongs to Sciuravus' according to Loomis 1907
- 'Taxymys belongs to Sciuravidae'
- 'Taxymys lucaris belongs to Taxymys'
- 'Thisbemys elachistos belongs to Thisbemys'
- 'Thisbemys nini is recombined as Paramys nini'
- 'Tillomys senior is recombined as Knightomys senior'