halopiger halopiger halopiger is a genus of archaeans in the family natrialbaceae that have high tolerance to salinity. halopiger scientific classification domain: archaea kingdom: euryarchaeota phylum: euryarchaeota class: halobacteria order: natrialbales family: natrialbaceae genus: halopigergutiérrez et al., 2007 type species halopiger xanaduensisgutérrez et al., 2007 species h. aswanensis h. djelfimassiliensis h. goleimassiliensis h. thermotolerans h. xanaduensis species the following species are classified in the genus halopiger: halopiger aswanensis hezayen, gutiérrez, steinbüchel, tindall and rehm, 2010 halopiger salifodinae zhang, meng, zhu and wu, 2013 halopiger thermotolerans minegishi et al., 2017 halopiger xanaduensis gutierrez et al., 2007 species formerly placed in this taxon halopiger salifodinae, now natrinema salifodinae