AncestorCaptorhinidaeTestudinesAraeoscelidiaYounginiformesKuehneosauridaeRhynchocephaliaSquamataRhynchosauriaProlacertiformesTrilophosaurusChoristoderaArchosauriformesClaudiosaurusDactylosaurusSerpiano_dash_NeusticoSimosaurusNothosaurusCeresiosaurusL_balsamiL_curioniiL_valceresiiSilvestrosaurusCorosaurusCymatosaurusGermanosaurusPistosaurusPlacodusMicronothosaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Rieppel_etal_1999aa