arenicella xantha arenicella xantha arenicella xantha is a gram-negative, rod-shaped, aerobic and non-motile bacterium from the genus of arenicella which has been isolated from offshore sediments from the sea of japan in russia. arenicella xantha scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: arenicellales family: arenicellaceae genus: arenicella species: a. xantha binomial name arenicella xantharomanenko et al. 2010 type strain jcm 16153, kmm 3895, nric 0759