After Nowak, 1991, McKenna & Bell, 1997 and Dumont, Strait & Friscia, 2000

<==o Caenolestoidea Trouessant, 1898 sensu Osborn, 1910 (marsupial shrews; pussipäästäiset)
   |?- †Callomenus ligatus
   |?- †Cladoclinus Ameghino, 1894 [Synonym of †Palaeothentes Ameghino, 1887?]
   |?- †Epanorthus Ameghino, 1889 [Synonym of †Palaeothentes Ameghino, 1887?]
   |?- †Garzonia patagonia
   |?- †Palaeepanorthus Ameghino, 1902 [Synonym of †Palaeothentes Ameghino, 1887?]
   |-- †Carolopaulacoutoia itaboraiensis (Paula Couto, 1970) McKenna & Bell, 1997 [Sternbergia itaboraiensis Paula Couto, 1970, preoccupied] [Sternbergiidae Szalay, 1994 sensu McKenna & Bell, 1997]
   `--+-- Caenolestidae Trouessant, 1898 [Synonyms] (pussipäästäiset)
      `--+-- †Palaeothentidae Sinclair, 1906 [Epanorthidae Ameghino, 1889]
         `--o †Abderitidae Ameghino, 1889
            |-- †Pitheculites minimus Ameghino, 1902 [Eomanodon multitubercularis Ameghino, 1902b; Micrabderites williamsi Simpson, 1932]
            `--o †Abderites Ameghino, 1887 [taxonomic history]
               |-- †A. meridionalis Ameghino, 1887 [taxonomic history]
               |-- †A. crispus Ameghino, 1902a
               `-- †A. pristinus Marshall, 1976?

Reference(s):

 

Special thanks to:

Jos H. M. Dols, for gathering additional information and missing species.