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