(Sphenodon_punctatus,(Simosaurus_gaillardoti,((Owenetta_kitchingorum,Anthodon_serrarius),(Proganochelys_quenstedti,((Proterochersis_robusta,((Indochelys_spatulata,(Kayentachelys_aprix,Condorchelys_antiqua)),(Heckerochelys_romani,((Kallokibotion_bajazidi,(Santanachelys_gaffneyi,(Solnhofia_parsonsi,((Xinjiangchelys_latimarginalis,((Siamochelys_peninsularis,((((Hangaiemys_hoburensis,Judithemys_sukhanovi),(Dracochelys_bicuspis,(Sinemys_lens,Ordosemys_leios))),(Mesodermochelys_undulatus,(Toxochelys_latiremys,(Dermochelys_coriacea,(Caretta_caretta,Chelonia_mydas))))),((Platysternon_megacephalum,(Protochelydra_zangerli,(Macroclemys_temminckii,Chelydra_serpentina))),(Emarginachelys_cretacea,(((Mongolemys_elegans,(Chrysemys_picta,(Geoclemys_hamiltonii,(Trachemys_scripta,(Gopherus_polyphemus,Chelonoidis_chilensis))))),(Dermatemys_mawii,(Baptemys_wyomingensis,(Hoplochelys_crassa,(Staurotypus_triporcatus,(Sternotherus_odoratus,Kinosternon_flavescens)))))),((Adocus_beatus,(Zangerlia_neimongolensis,Basilemys_variolosa)),(Peltochelys_durlstonensis,(Sandownia_harrisi,((Apalone_spinifera,Lissemys_punctata),(Anosteira_ornata,Carettochelys_insculpta)))))))))),((Notoemys_laticentralis,(Platychelys_oberndorferi,Caribemys_oxfordiensis)),((Elseya_dentata,(Elseya_latisternum,((Chelodina_oblonga,Chelodina_longicollis),(Phrynops_geoffroanus,Chelus_fimbriatus)))),(Podocnemis_expansa,(Erymnochelys_madagascariensis,Pelomedusa_subrufa)))))),(((Dorsetochelys_delairi,Thalassemys_moseri),((Pleurosternon_bullockii,(Glyptops_plicatulus,Dinochelys_whitei)),(Neurankylus_eximius,(Trinitichelys_hiatti,(Plesiobaena_antiqua,(Boremys_pulchra,(Baena_arenosa,Chisternon_undatum))))))),(Portlandemys_macdowelli,Plesiochelys_solodurensis)))))),(Chubutemys_copelloi,((Mongolochelys_efremovi,(Otwayemys_cunicularius,Patagoniaemys_gasparinae)),(Niolamia_argentina,Meiolania_platyceps))))))),(Palaeochersis_talampayensis,Australochelys_africanus))))));