Opinions from F. J. Goin et al. 2006
- 'Aenigmadelphys belongs to Peradectidae'
- 'Albertatherium belongs to Peradectidae'
- 'Allqokirus belongs to Borhyaenoidea'
- 'Alphadon belongs to Peradectidae'
- 'Anchistodelphys belongs to Peradectidae'
- 'Andinodelphys belongs to Ameridelphia'
- 'Bobbschaefferia belongs to Didelphimorphia'
- 'Bonapartherium belongs to Polydolopimorphia'
- 'Caenolestoidea belongs to Ameridelphia'
- 'Caroloameghinia belongs to Polydolopimorphia'
- 'Carolopaulacoutoia belongs to Didelphimorphia'
- 'Chulpasia belongs to Australidelphia'
- 'Cocatherium belongs to Ameridelphia'
- 'Cocatherium lefipanum belongs to Cocatherium'
- 'Dakotadens belongs to Marsupialia'
- 'Derorhynchus belongs to Didelphimorphia'
- 'Didelphodon belongs to Stagodontidae'
- 'Dromiciops belongs to Microbiotheriidae'
- 'Ectocentrocristus belongs to Polydolopimorphia'
- 'Epidolops belongs to Polydolopimorphia'
- 'Gaylordia belongs to Didelphimorphia'
- 'Glasbius belongs to Marsupialia'
- 'Guggenheimia belongs to Didelphimorphia'
- 'Itaboraidelphys belongs to Didelphimorphia'
- 'Iugomortiferum belongs to Polydolopimorphia'
- 'Khasia belongs to Microbiotheriidae'
- 'Kokopellia belongs to Metatheria'
- 'Lestoros belongs to Caenolestoidea'
- 'Marambiotherium belongs to Ameridelphia'
- 'Mayulestes belongs to Borhyaenoidea'
- 'Microbiotheridae is corrected as Microbiotheriidae and belongs to Australidelphia'
- 'Microbiotherium belongs to Microbiotheriidae'
- 'Nortedelphys belongs to Herpetotheriidae'
- 'Pariadens belongs to Stagodontidae'
- 'Pediomyinae was reranked as the family Pediomyidae and belongs to Marsupialia'
- 'Pediomys belongs to Pediomyidae'
- 'Polydolops belongs to Polydolopimorphia'
- 'Prepidolops belongs to Polydolopimorphia'
- 'Procaroloameghinia belongs to Polydolopimorphia'
- 'Protalphadon belongs to Peradectidae'
- 'Protodidelphis belongs to Didelphimorphia'
- 'Pucadelphys belongs to Didelphimorphia'
- 'Roberthoffstetteria belongs to Polydolopimorphia'
- 'Tiulordia belongs to Didelphimorphia'
- 'Turgidodon belongs to Stagodontidae'