(Chelydra_serpentina,(Araripemys_barretoi,((Podocnemis_sextuberculata,Pelomedusa_subrufa),((Prochelidella_portezuelae,(Rionegrochelys_caldieroi,(Bonapartemys_bajobarrealis,(Mendozachelys_wichmanni,Lomalatachelys_neuquina)))),((Pseudemydura_umbrina,(Platemys_platycephala,(Acanthochelys_macrocephala,(Mesoclemmys_nasuta,(Phrynops_hilarii,(Chelus_fimbriatus,(Chelodina_oblonga,(Hydromedusa_tectifera,(Yaminuechelys_gasparinii,Yaminuechelys_maior))))))))),(Rheodytes_leukops,(Emydura_macquarii,(Elseya_dentata,Myuchelys_latisternum))))))));