(Phiomia_serridens,(Eritreum_melakeghebrekristosi,Mwiti_Gomphotherium,Gomphotherium_hannibali,Gomphotherium_annectens,Gomphotherium_cooperi,Gomphotherium_sylvaticum,Gomphotherium_libycum,(Gomphotherium_inopinatum,Gomphotherium_mongoliense,Gomphotherium_subtapiroideum,Gomphotherium_tassyi,Gomphotherium_wimani,(Gomphotherium_angustidens,Gomphotherium_connexum),(Gomphotherium_browni,Gomphotherium_productum,(Gomphotherium_steinheimense,Tetralophodon_longirostris)))));