dietzia psychralcaliphila dietzia psychralcaliphila dietzia psychralcaliphila is a facultatively psychrophilic alkaliphile that grows on hydrocarbons. it is aerobic, non-motile and gram-positive. the type strain is ila-1t (= jcm 10987t = iam14896t = ncimb 13777t). dietzia psychralcaliphila scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: dietziaceae genus: dietzia species: d. psychralcaliphila binomial name dietzia psychralcaliphilayumoto et al. 2002