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