A genus of the family POXVIRIDAE, subfamily CHORDOPOXVIRINAE, causing tumors in primates. The type species is YABA MONKEY TUMOR VIRUS.

The type species of YATAPOXVIRUS, a tumor-producing DNA virus discovered in monkeys in Yaba, Nigeria. It has been found to produce histiocytomas in monkeys and humans.

A subfamily of the family POXVIRIDAE, containing eight genera comprising all the vertebrate poxviruses.