NyctacovirusNyctacovirus is a subgenus of viruses in the genus Alphacoronavirus.SpeciesThe subgenus consists of the following species, listed by scientific name and followed by the exemplar virus of the species:Alphacoronavirus chalinolobi, Alphacoronavirus WA2028Alphacoronavirus nyctali, Nyctalus velutinus alphacoronavirus SC-2013Alphacoronavirus pipistrelli, Alphacoronavirus bat coronavirus Alphacoronavirus tylonycteridis, Tylonycteris bat coronavirus HKU33