spheniscid alphaherpesvirus 1 spheniscid alphaherpesvirus 1 spheniscid alphaherpesvirus 1 (spahv-1) is a species of virus in the genus mardivirus, subfamily alphaherpesvirinae, family herpesviridae, and order herpesvirales. spheniscid alphaherpesvirus 1 virus classification (unranked): virus realm: duplodnaviria kingdom: heunggongvirae phylum: peploviricota class: herviviricetes order: herpesvirales family: herpesviridae genus: mardivirus species: spheniscid alphaherpesvirus 1