halococcus qingdaonensis halococcus qingdaonensis halococcus qingdaonensis is a halophilic archaeon in the family halococcaceae. halococcus qingdaonensis scientific classification domain: archaea kingdom: euryarchaeota phylum: euryarchaeota class: halobacteria order: halobacteriales family: halococcaceae genus: halococcus species: h. qingdaonensis binomial name halococcus qingdaonensiswang et al. 2007 synonyms h. qingdaogense (not validly published)