Sphenodon_punctatusSimosaurus_gaillardotiOwenetta_kitchingorumAnthodon_serrariusOdontochelys_semitestaceaProganochelys_quenstedtiProterochersis_robustaPalaeochersis_talampayensisAustralochelys_africanusKayentachelys_aprixCondorchelys_antiquaHeckerochelys_romaniEileanchelys_waldmaniIndochelys_spatulataSiamochelys_peninsularisNiolamia_argentinaNinjemys_oweniWarkalania_carinaminorMeiolania_platycepsChubutemys_copelloiMongolochelys_efremoviPeligrochelys_walshaePatagoniaemys_gasparinaeOtwayemys_cuniculariusKallokibotion_bajazidiPlatychelys_oberndorferiCaribemys_oxfordiensisNotoemys_laticentralisProchelidella_cerrobarcinaeElseya_dentataMyuchelys_latisternumChelodina_collieiChelodina_longicollisYaminuechelys_maiorPhrynops_geoffroanusChelus_fimbriatusAraripemys_barretoiErymnochelys_madagascariensisPelomedusa_subrufaPodocnemis_expansaDorsetochelys_delairiPleurosternon_bullockiiGlyptops_plicatulusDinochelys_whiteiNeurankylus_eximiusTrinitichelys_hiattiPlesiobaena_antiquaBoremys_pulchraBaena_arenosaChisternon_undatumPortlandemys_macdowelliPlesiochelys_etalloniSolnhofia_parsonsiThalassemys_moseriSantanachelys_gaffneyiChengyunchelysXinjiangchelys_latimarginalisHangaiemys_hoburensisJudithemys_sukhanoviDracochelys_bicuspisSinemys_lensOrdosemys_leiosToxochelys_latiremysCaretta_carettaChelonia_mydasMesodermochelys_undulatusDermochelys_coriaceaMacroclemys_schmidtiMacroclemys_temminckiiProtochelydra_zangerliChelydra_serpentinaPlatysternon_megacephalumMongolemys_elegansGopherus_polyphemusEurotestudo_hermanniChelonoidis_gringorumChelonoidis_chilensisStylemys_nebraskensisChrysemys_pictaTrachemys_scriptaEmys_orbicularisGeoclemys_hamiltoniiEchmatemys_wyomingensisEmarginachelys_cretaceaBaptemys_wyomingensisDermatemys_mawiiXenochelys_formosaStaurotypus_triporcatusSternotherus_odoratusKinosternon_flavescensBasilemys_variolosaYehguia_tatsuensisAdocus_beatusHoplochelys_crassaApalone_spiniferaPlastomenus_aff_thomassiiPelodiscus_sinensisLissemys_punctataShachemys_laosianaAnosteira_ornataCarettochelys_insculptaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Sterli_etal_inpressa