CaseidaeMillerettidaeProtorothyrisRomeriatexanaProtocaptorhinusRhiodenticulatusCaptorhinus_laticepsCaptorhinus_agutiLabidosaurusLabidosaurikosConcordiaPaleothyrisPetrolacosaurusSaurorictusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Muller_et_Reisz_2005a