Bos

Bos is the genus of wild and domestic cattle. It has five extant species. However, this may rise to seven if the domesticated varieties are counted as separate species. Modern species of cattle are believed to have originated from the extinct aurochs. For more information, visit the Wikipedia entry. Get back to Ruminantia
†Aurochs	Banteng	Cattle
Gaur	Yak	Zebu