After McKenna & Bell, 1997; with species from Dykes, 2002-

<==o †Pediomyidae Simpson, 1927 [taxonomic history]
   |?- †Monodelphopsis travassosi de Paula Couto, 1952; U.Pal. SA. [also treated as microbiotheriid (Marshall et al., 1990)]
   `--+--o †Aquiladelphis Fox, 1971; U.Cret. NA.
      |  |-- †A. incus Fox, 1971
      |  |-- †A. minor Fox, 1971
      |  `-- †A. paraminor Rigby & Wolberg, 1987
      `--o †Pediomys Marsh, 1889 [†Synconodon Osborn, 1898; †Protolambda Osborn, 1898] U.Cret. NA.
         |-- †P. clemensi Sahni, 1972
         |-- †P. cooki Clemens, 1966
         |-- †P. sp.1, cf. P. cooki
         |-- †P. sp.2, cf. P. cooki
         |-- †P. sp.3, cf. P. cooki
         |-- †P. elegans Marsh, 1889
         |-- †P. exiguus Fox, 1971
         |-- †P. fassetti Rigby & Wolberg, 1987
         |-- †P. florencae Clemens, 1966
         |-- †P. sp.4, cf. P. florencae
         |-- †P. hatcheri (Osborn, 1898) Simpson, 1927 [Protolambda hatcheri Osborn, 1898]
         |-- †P. sp.5, cf. P. hatcheri
         |-- †P. krejcii Clemens, 1966
         |-- †P. prokrejcii Fox, 1979
         |-- †P. sp.6
         `-- †P. sp.7, cf. P. sp.7

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