Chelydra_serpentinaMacrochelys_temminckiiAgomphus_pectoralisDermatemys_mawiiNotomorpha_garmaniiBaptemys_wyomingensisStaurotypus_triporcatusClaudius_angustatusBaltemys_staurogastrosXenochelys_lostcabinensisXenochelys_formosaKinosternon_flavescensSternotherus_carinatusHoplochelys_crassa_combinedHoplochelys_clarkYelmochelys_rosarioaeOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Brinkman_etal_2016a