The Columbia Encyclopedia, Sixth Edition. 2001-07.
Dinotherium
(dnthr´m) (KEY) [Gr.,=terrible beast], extinct mammal related to the elephant, fossil remains of which have been found in Miocene and Pliocene formations of Africa, Europe, and India. It had a short proboscis and a pair of tusks which extended downward, curving backward, from the lower jaw. The name is also spelled Deinotherium. It is classified in the phylum Chordata, subphylum Vertebrata, class Mammalia.