Reconstruction of Arsinoitherium zitteli （Image source：Dmitry Bogdanov， CC BY 3.0 ） Age Paleogene（Eocene-Oligocene） 36-27 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Embrithopoda Family: Arsinoitheriidae Genus: Arsinoitherium Species: Arsinoitherium zitteli Morphological description Arsinoitherium zitteli reached a shoulder height of about 1.75 meters and a body length of approximately 3 meters, comparable in size to a modern white rhinoceros. How