AncestorCaptorhinidaeAraeoscelidiaClaudiosaurusYounginaRhynchosauriaTrilophosaurusProlacertiformesChoristoderaArchosauriformesKuehneosauridaeRhynchocephaliaSquamataCorosaurusCymatosaurusAugustasaurusPistosaurusPlesiosaurusSimosaurusGermanosaurusNothosaurusLariosaurusWumengosaurusSerpianoNeusticoAnaroDactyloKeichousaurusDianopachysaurusHovasaurusEusaurosphargisThalattosauriaYunguisaurusDiandongosaurusSinosaurosphargisTestudinesHelveticosaurusOdontochelysHanosaurusIchthyopterygiaPalatodontaParaplacodusPlacodus_gigasPararcusCyamodusHenodusProtenodontosaurusMacroplacusPsephodermaPlacochelysPlacodus_inexpectatusSinocyamodusGlyphodermaPsephochelysOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Neenan_etal_2015aa