root › Viruses › Monodnaviria › Shotokuvirae › Cossaviricota › Papovaviricetes › Zurhausenvirales › unclassified Zurhausenvirales › Papillomaviridae › Firstpapillomavirinae › Dyokappapapillomavirus › Dyokappapapillomavirus 4 › Bos taurus papillomavirus 18