root › Viruses › Monodnaviria › Shotokuvirae › Cossaviricota › Papovaviricetes › Zurhausenvirales › unclassified Zurhausenvirales › Papillomaviridae › unclassified Papillomaviridae › non-primate mammal papillomaviruses › Bos taurus papillomavirus 20