A long-horned European wild ox attacked by wolves. The aurochs or urus (Bos primigenius); the ancestor of domestic cattle; was a type of wild cattle which inhabited Europe; Asia and North Africa. Extinct.Colour printed illustration by Heinrich Harder from 鈥楾iere der Urwelt' Animals of the Prehistoric World; 1916; Hamburg. Heinrich Harder (1858-1935) was a German landscape artist and book illustrator. From a series of prehistoric creature cards published by the Reichardt Cocoa company. Natural historian Wilhelm Bolsche wrote the descriptive text.