Class Mammalia Linnaeus, 1758 - mammals
   Subclass †Allotheria Marsh, 1880
     Order †Multituberculata Cope, 1884
       Suborder †"Plagiaulacida" Ameghino, 1889 [paraphyletic]
         †Paulchoffatiid line
           Family †Pinheirodontidae Hahn & Hahn, 1999
             1 Genus †Pinheirodonᵀ Hahn & Hahn, 1999
             2 Genus †Bernardodon Hahn & Hahn, 1999 [monotypic]
             3 Genus †Ecprepaulax Hahn & Hahn, 1999 [monotypic]
             4 Genus †Gerhardodon Kielan-Jaworowska & Ensom, 1992 [monotypic]
             5 Genus †Iberodon Hahn & Hahn, 1999 [monotypic]
             6 Genus †Lavocatia Canudo & Cuenca-Bescós, 1996 [monotypic]