orenia orenia orenia is a genus of bacteria from the family of halobacteroidaceae. orenia bacteria occurs in saline environments. orenia scientific classification domain: bacteria phylum: bacillota class: "halanaerobiia" order: halanaerobiales family: halobacteroidaceae genus: oreniarainey & stackebrandt 1995 type species orenia marismortui(oren et al. 1988) rainey et al. 1995 species o. chitinitropha o. marismortui "o. metallireducens" o. salinaria o. sivashensis phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature (lpsn) and national center for biotechnology information (ncbi) 16s rrna based ltp_01_2022 120 marker proteins based gtdb 07-rs207 o. sivashensis zhilina et al. 2000 o. salinaria moune et al. 2000 halonatronum saccharophilum o. marismortui (oren et al. 1988) rainey et al. 1995 o. chitinitropha sorokin & kolganova 2014 tepidibacillus decaturensis "o. metallireducens" dong et al. 2016 o. marismortui