Opinions from J. D. Archibald 1982
- 'Acheronodon belongs to Eucosmodontidae'
- 'Acheronodon garbani belongs to Acheronodon'
- 'Anisonchus agapetillus is recombined as Oxyacodon agapetillus'
- 'Anisonchus cophater is recombined as Conacodon cophater'
- 'Boreodon is a nomen dubium'
- 'Boreodon matutinus is a nomen dubium'
- 'Catopsalis belongs to Taeniolabididae'
- 'Cimexomys hausoi belongs to Cimexomys'
- 'Cimexomys judithae is recombined as Paracimexomys judithae'
- 'Cimexomys magister is recombined as Paracimexomys magister'
- 'Cimexomys magnus is recombined as Paracimexomys magnus'
- 'Cimexomys priscus is recombined as Paracimexomys priscus'
- 'Cimolestes cutleri is recombined as Eodelphis cutleri'
- 'Dipriodon lunatus is a subjective synonym of Meniscoessus robustus'
- 'Dipriodon robustus is recombined as Meniscoessus robustus'
- 'Eodelphis browni belongs to Eodelphis'
- 'Escatepos belongs to Periptychidae'
- 'Escatepos campi belongs to Escatepos'
- 'Euangelistes is a subjective synonym of Gypsonictops'
- 'Eucosmodon gratus is recombined as Stygimys gratus'
- 'Glasbius twitchelli belongs to Glasbius'
- 'Halodon formosus is recombined as Mesodma formosa'
- 'Halodon sculptus is a subjective synonym of Meniscoessus robustus'
- 'Loxolophus nordicus is recombined as Ragnarok nordicum'
- 'Meniscoessus borealis is a subjective synonym of Meniscoessus robustus'
- 'Mesodma garfieldensis belongs to Mesodma'
- 'Neoplagiaulax burgessi belongs to Neoplagiaulax'
- 'Nyssodon punctidens is a subjective synonym of Cimolestes incisus'
- 'Oracodon anceps is a subjective synonym of Meniscoessus robustus'
- 'Oracodon conulus is a subjective synonym of Meniscoessus robustus'
- 'Oxyacodon priscilla belongs to Oxyacodon'
- 'Paracimexomys belongs to Multituberculata'
- 'Protolambda hatcheri is recombined as Pediomys hatcheri'
- 'Protungulatum mckeeveri belongs to Protungulatum'
- 'Ragnarok engdahli belongs to Ragnarok'
- 'Selenacodon brevis is a subjective synonym of Cimolomys gracilis'
- 'Selenacodon fragilis is a subjective synonym of Meniscoessus robustus'
- 'Thylacodon is a subjective synonym of Peradectes'
- 'Thylacodon is a subjective synonym of Peradectes' according to Matthew and Granger 1939
- 'Thylacodon pusillus is recombined as Peradectes pusillus'
- 'Thylacodon pusillus is recombined as Peradectes pusillus' according to Matthew and Granger 1939
- 'Tripriodon coelatus is a subjective synonym of Meniscoessus robustus'