Iranotherium
Encyclopedia
Iranotherium was a large elasmothere rhinoceros
, as big as a modern white rhino, found in Central Asia. It was a precursor of the related Sinotherium
, and may have been ultimately outcompeted by its descendant.
Males were larger than the females and had more developed muscle scars on the zygomatic arch
.
Rhinoceros
Rhinoceros , also known as rhino, is a group of five extant species of odd-toed ungulates in the family Rhinocerotidae. Two of these species are native to Africa and three to southern Asia....
, as big as a modern white rhino, found in Central Asia. It was a precursor of the related Sinotherium
Sinotherium
Sinotherium was a genus of single-horned rhinoceri of the late Miocene and Pliocene. It was ancestral to Elasmotherium, and its fossils have been found in western China....
, and may have been ultimately outcompeted by its descendant.
Zygomatic arch
The zygomatic arch or cheek bone is formed by the zygomatic process of temporal bone and the temporal process of the zygomatic bone , the two being united by an oblique suture; the tendon of the Temporalis passes medial to the arch to gain insertion into the coronoid process...
.