geodermatophilus arenarius geodermatophilus arenarius geodermatophilus arenarius is a gram-positive, aerobic and xerophilic bacterium from the genus geodermatophilus which has been isolated from desert sand from ouré cassoni in chad. geodermatophilus arenarius scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: geodermatophilales family: geodermatophilaceae genus: geodermatophilus species: g. arenarius binomial name geodermatophilus arenariusmontero-calasanz et al. 2013 type strain ccug 62763dsm 45418mtcc 11413cf5/4