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Bos

"Bos (from Latin bōs: cow, ox, bull) is the genus of wild and domestic cattle. Bos can be divided into four subgenera: Bos, Bibos, Novibos, and Poephagus, but including these last three divisions within the genus Bos without including Bison in the genus is believed to be paraphyletic by many workers on the classification of the genus since the 1980s. The genus has five extant species. However, this may rise to eight if the domesticated varieties are counted as separate species,[citation needed] and ten if the closely related genus Bison is also included.

Most modern breeds of domesticated cattle are believed to have originated from the extinct aurochs." - (en.wikipedia.org 09.03.2020)

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