Genus

Genus: Alphapironavirus

Subfamily: Pitovirinae

Genus: Alphapironavirus

 

Distinguishing features

As only one genus is currently recognized, the genus description corresponds to the subfamily description. The only known host is a fish.

Subgenus demarcation criteria

Details correspond to the family descriptions.

Species demarcation criteria

Details correspond to the family descriptions.

Subfamily

Subfamily: Pitovirinae

Family: Coronaviridae

Subfamily: Pitovirinae

 

Distinguishing features

The subfamily Pitovirinae was established for the virus Pacific salmon nidovirus based on its low overall genome sequence identity with other coronaviruses despite conservation of the canonical replicase domains found in other members of the family Coronaviridae (Figure 1.Pitovirinae).