Biota (Life)
Virus (Viruses)
Riboviria
Orthornavirae
Pisuviricota
Pisoniviricetes
Nidovirales
Cornidovirineae
Coronaviridae (Infectious bronchitis virus & relatives)
Children (1 direct children, 3 direct and indirect children):
Alphaletovirus
(tree size 2)