(Agomphus_pectoralis,(((Staurotypus_triporcatus,(Claudius_angustatus,(Baltemys_staurogastros,(Xenochelys_lostcabinensis,(Xenochelys_formosa,(Kinosternon_flavescens,Sternotherus_carinatus)))))),(Hoplochelys_clark,Hoplochelys_crassa)),(Gomphochelys_nanus,(Notomorpha_garmanii,(Baptemys_wyomingensis,Dermatemys_mawii)))));