eidolon bat coronavirus c704 eidolon bat coronavirus c704 eidolon bat coronavirus c704 is a species of coronavirus in the genus betacoronavirus. eidolon bat coronavirus c704 virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: pisuviricota class: pisoniviricetes order: nidovirales family: coronaviridae genus: betacoronavirus subgenus: nobecovirus species: eidolon bat coronavirus c704