colacovirus colacovirus colacovirus is a subgenus of viruses in the genus alphacoronavirus, consisting of a single species, bat coronavirus cdphe15. bat coronavirus cdphe15 virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: pisuviricota class: pisoniviricetes order: nidovirales family: coronaviridae genus: alphacoronavirus subgenus: colacovirus species: bat coronavirus cdphe15