the root (no rank)
Viruses (domain)
dsDNA viruses, no RNA stage (subkingdom)
Herpesviridae (family)
Betaherpesvirinae (subfamily)
Muromegalovirus (genus)
[hide inferior taxa]
mouse cytomegalovirus 1 (species)
murid herpesvirus 1 (species)
murid herpesvirus 2 (species)