pseudoclavibacter helvolus pseudoclavibacter helvolus pseudoclavibacter helvolus is a bacterium from the genus pseudoclavibacter which has been first isolated from butter. pseudoclavibacter helvolus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: pseudoclavibacter species: p. helvolus binomial name pseudoclavibacter helvolusmanaia et al. 2004 type strain atcc 13715ccug 43303dsm 20419iam 14726jcm 9491nbrc 15775tistr 1509 synonyms "brevibacterium helvolum" (zimmermann 1890) lochhead 1955 zimmermannella helvola lin et al. 2004