(Proadiantus_excavatus,(Tricoelodus_spp,(Polymorphis_lechei,(Cramauchenia_normalis,Coniopternium_spp,Pternoconius_spp,(Theosodon_spp,(Cullinia_levis,Scalabrinitherium_bravardi,Oxyodontherium_zeballosi,Paranauchenia_hystata,Paranauchenia_denticulata,Promacrauchenia_antiquua,Promacrauchenia_calchaquiorum,Huayqueriana_cristata,Huayqueriana_cf_H_cristata,((Xenorhinotherium_bahiense,Windhausenia_delacroixi),(Macrauchenia_patachonica,Macrauchenopsis_ensenadensis))))))));