Subfamily: Firstpapillomavirinae

Genus: Sigmapapillomavirus

Distinguishing features

Members of this genus are associated with cutaneous lesions of a North American porcupine (Erethizon dorsatum). 

Virion

See discussion under family description. 

Genome organization and replication

See discussion under family description. 

Biology

See discussion under family description. 

Species demarcation criteria

Putative novel papillomavirus genome with complete genome sequence data available and that is <70% related to papillomaviruses within the genus.