Halobacterium trapanicum Dataset NCBI Taxonomy Classification phylum Euryarchaeota class Halobacteria order Halobacteriales family Haloferacaceae genus Halorubrum species Halorubrum trapanicum Name Homonyms Halobacterium trapanicum Halobacterium trapanicum (Petter 1931) Elazari-Volcani 1957 (Approved Lists 1980)