After de Muizon & Cifelli, 2000, and Zack, Penkrot, Krause & Maas, 2005

<==o †Panameriungulata de Muizon, & Cifelli, 2000
   `--o †Mioclaenidae Osborn & Earle, 1895 [Hyopsodontidae: Mioclaeninae sensu Zack, Penkrot, Krause & Maas, 2005] [paraphyletic]
      |-- †Valenia wilsoni (Van Valen, 1978) [Promioclaenus wilsoni Van Valen, 1978]
      `--+?- †Bomburia prisca (Matthew, 1937) Van Valen, 1978 [Ellipsodon priscus Matthew, 1937; ?Platymastus palantir Van Valen, 1978]
         |--o †Pleuraspidotheriinae [Hyopsodontidae: Pleuraspidotheriinae sensu Zack, Penkrot, Krause & Maas, 2005]
         |  |?- †Pleuraspidotherium
         |  |?- †Orthaspidotherium
         |  |--o †Protoselene
         |  |  |-- †P. griphus
         |  |  `-- †P. opisthacus
         |  `--o †Buboconia Johnston & Fox, 1984
         |     |-- †B. saskia Johnston & Fox, 1984
         |     `-- †B. bombadili (Van Valen, 1978)
         `--+-- †Litaletes disjunctus (Simpson, 1935)
            `--+-- †Choeroclaenus turgidunculus (Cope, 1888)
               |--o †Promioclaenus [Elliopsodon; Hyopsodus; Mioclaenus; Tiznatzinia]
               |  |-- †P. pipiringosi
               |  |-- †P. vanderhoofi [Tiznatzinia vanderhoofi] [treated as a sister group of Protungulatum by Alroy, 2002]
               |  |-- †P. acolytus (Cope, 1882) [Elliopsodon; Hyopsodus; Mioclaenus]
               |  `-- †P. lemuroides [Mioclaenus]
               `--+--o †Elliopsodon Scott, 1892
                  |  |-- †E. inaequidens (Cope, 1884) [Tricantes inaequidens Cope, 1884]
                  |  |-- †E. crangeri Wilson, 1956
                  |  `-- †E. yotankae Van Valen, 1978
                  |?-o †Lessnessina
                  |  |-- †L. packmani Hooker, 1979
                  |  |-- †L. praecipuus Godinot et al., 1987
                  |  `-- †L. khushuensis Hooker & Dashzeveg, 2003
                  |-- †Mioclaenus turgidus
                  |?- †Phenacodaptes sabulosus [is a apheliscid (Zack, Penkrot, Krause & Maas, 2005)]
                  `-- †Meridiungulata (etelä-amerikkalaiset ungulaatit; South American ungulates)

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