(Sirenia,(Desmostylia,Anthracobunids,(Moeritherium,(Numidotheriurn,(Barytherium,(Deinotheriidae,(Palaeomastodon,(Phiomia,(Hemimastodon,Mammutidae,(Amebelodontidae,Choerolophodon,(Gomphotheres_1,Gomphotheres_2,(Tetralophodon,(Stegotetrabelodon,((Anancus,Paratetralophodon),((Stegolophodon,Stegodon),(Stegodibelodon,(Primelephas,(Loxodonta,Elephas_Mammuthus))))))))))))))))));