Tauragrios

A tauragrios or tauros agrios (Greek 'wild bull'), also sarkotauros 'flesh[-eating] bull', is a giant carnivorous bovine of East Africa, living in the same habit as a krokouttas. They are both larger than an aurochs and faster than a bull.

Source
English: http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0239%3Abook%3D16

Greek: http://www.perseus.tufts.edu/hopper/text?doc=Strab.+16.4.16&fromdoc=Perseus%3Atext%3A1999.01.0197