Pelomedusa_subrufaPodocnemis_sextuberculataElseya_dentataAcanthochelys_macrocephalaPlatemys_platycephalaPhrynops_hilariiBatrachemys_nasutaChelus_fimbriatusChelodina_oblongaHydromedusa_tectiferaHydromedusa_maximillianiYaminuechelys_maiorYaminuechelys_gaspariniiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Bona_et_de_la_Fuente_2005a