Gheerbrant, E. Sudre, J. Cappetta, H. Bignot, G. 1998 <em>Phosphatherium escuilliei</em> du Thanetian du Bassin des Ouled Abdoun (Maroc), plus ancien proboscidien (Mammalia) d'Afrique Geobios 30 247-269 Ancestor Phosphatherium Khamsaconus Numidotherium Barytherium Moeritherium Deinotheres Elephantiformes Sirenians Anthracobunids Osteology Maximum Parsimony Based on reanalysis of the original matrix. Gheerbrant_etal_1998a