Class [Reptilia] Linnaeus, 1758 - reptiles
   Subclass Lepidosauria Duméril & Bibron, 1839
     Order †Millerosauria Watson, 1957
       1 Family †Millerosauridae Kuhn, 1960 see Family Millerettidae Romer, 1956
       2 Family †Broomiidae Nopcsa, 1923 see Family Millerettidae Romer, 1956
       3 Family †Mesenosauridae Romer, 1945 see Subfamily Mycterosaurinae Reisz & Berman, 2001, nom. inval.