Bos

Bos aegyptiacus
B. frontalis
B. indicus
B. grunniens
B. javanicus
B. primigenius
B. sauveli
B. taurus

</table> Bos is the taxonomic genus containing wild and domestic oxen. Bos is often divided into four subgenia: bos, bibos, novibos, and poephagus all of which are somewhat uncertain. Bos is found worldwide but before domestication existed only in West Asia, South Asia and Southeast Asia.

Species

• Subgenus Bos
  • Bos primigenius (aurochs - extinct 1627)
  • Bos taurus (Western cattle, including oxen)
  • Bos indicus (humped cattle of India and Africa; called zebu by Europeans)
  • Bos aegyptiacus (ancient Egyptian cattle; extinct)
• Subgenus Bibos
  • Bos frontalis (gaur, gayal or Indian bison)
  • Bos javanicus (banteng)
• Subgenus Novibos
  • Bos sauveli (kouprey or grey ox)
• Subgenus Poephagus
  • Bos grunniens (yak; also Bos mutus)

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Bos is also a popular Dutch surname, meaning 'forest'.