After McKenna & Bell, 1997, Zonneveld, Gunnell & Bartels, 2000, and Dawson, 2001

<==o †Microparamyinae Wood, 1962 [Microparamyidae Jaeger, 1988 (lapsus calami?)]
   |?-o †Strathcona Dawson, 2001
   |  |-- †S. minor Dawson, 2001
   |  `-- †S. major Dawson, 2001
   |?-o †Mattimys Korth, 1984 [however, see Eutypomyidae]
   |  |-- †M. sp.
   |  `-- †M. kalicola
   |?- †Anonymus baroni Storer, 1988
   |?- †“Microparamys” nanus
   |-- †Sparnacomys Hartenberger, 1971
   |--+-- †Pantrogna Hartenberger, 1971
   |  `--+--o †Masillamys Tobien, 1954
   |     |  `-- †M. mattaueri
   |     `-- †Hartenbergeromys Escarguel, 1999 ---> Theridomyidae [sensu Hartenberger & Escarguel, 2001]
   |-- †Acritoparamys Korth, 1984 [also listed as paramyine]
   |--o †Microparamys Wood, A. E., 1959b
   |  |-- †M. bayi Dawson, 2001
   |  |-- †M. sambucus
   |  |-- †M. solidus
   |  |-- †M. cheradius
   |  |-- †M. tricus [“Paramys” tricus]
   |  |-- †M. perfossus
   |  |-- †M. minutus (Wood, A. E., 1937) [“Paramys” minutus]
   |  |-- †M. dubius
   |  |-- †M. wilsoni Wood, A. E., 1959b
   |  |-- †M. wyomingensis Wood, A. E., 1959b
   |  `-- †M. nimidus Storer, 1988
   |-- †Decticadapis Lemoine, 1891 [Decticadapis Lemoine, 1883 (nomen nudum)] L. Eoc. NA.
   |--o †Lophiparamys Wood, 1962 [“Paramys”] L. Eoc. NA.
   |  |-- †L. murinus [“Paramys” murinus]
   |  |-- †L. debequensis
   |  `-- †L. woodi
   |-- †Apatosciuravus Korth, 1984; U. Pal. L. Eoc. NA.
   `-- †Asiomys Qi, 1987; M. Eoc. EAs.

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