caldalkalibacillus uzonensis caldalkalibacillus uzonensis caldalkalibacillus uzonensis is a thermophilic, alkalitolerant, aerobic, heterotrophic spore-forming bacterium from the genus of caldalkalibacillus which has been isolated from the hot spring zarvarzin ii from the east thermal field in uzon caldera in russia. caldalkalibacillus uzonensis scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: caldalkalibacillus species: c. uzonensis binomial name caldalkalibacillus uzonensiszhao et al. 2008 type strain atcc baa-1258, dsm 17740, jw/wz-yb58 synonyms thermalkalibacillus uzonensis