citricoccus muralis citricoccus muralis citricoccus muralis is a gram-positive and aerobic bacterium from the genus citricoccus which has been isolated from a wall painting from sankt georgen ob judenburg, austria. citricoccus muralis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: micrococcaceae genus: citricoccus species: c. muralis binomial name citricoccus muralisaltenburger et al. 2002 type strain 4-0ccm 4981ccug 51768cip 107799dsm 11442dsm 14442jcm 12134