Head-Tail viruses*
Herpesvirales

Caudovirales
* Head-tail viruses: Herpesvirales and Caudovirales share presumably a common ancestor, since their replication and capsid structure/assembly are rather similar.
Order: Unassigned
Family: Unassigned
Ligamenvirales
Nucleo-Cytoplasmic Large DNA
Family: Unassigned


Not yet classified in ICTV