After Mckenna & Bell, 1997

    Agouti Lacépède, 1799
        Cuniculus Brisson, 1762
            (non Cuniculus Meyer, 1790, a synonym of rabbit (genus Oryctolagus) (Lagomorpha: Leporidae: Leporinae)
            (non Cuniculus Wagler, 1830, a synonym of collared lemmings (genus Dicrostonyx) (Rodentia: Muridae: Arvicolinae: Dicrostonychini))
        Coelogenus F.Cuvier, 1807
        Coelogenys Illiger, 1811
        Caelogenus Fleming, 1822
        Caelogenys Agassiz, 1842
        Caelogonus Anonymous, 1845
        Genyscoelus Liais, 1872
        Paca Fisher, 1814
        Osteopera Harlan, 1825
        Mamcoelogenysus Herrera, 1899
      including:
        Stictomys Thomas, 1924

        Agouti paca (Linnaeus, 1766)

        Agouti taczanowskii (Stolzmann, 1865) (vuoripaka)

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