arsenicicoccus arsenicicoccus arsenicicoccus is a gram-positive, non-spore-forming and facultatively anaerobic bacterial genus from the family dermatophilaceae. the genus was previously in the family intrasporangiaceae, but was reclassified in 2018. arsenicicoccus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: dermatophilaceae genus: arsenicicoccuscollins et al. 2004 type species arsenicicoccus bolidensiscollins et al. 2004 species a. bolidensis collins et al. 2004 a. dermatophilus gobeli et al. 2013 a. piscis hamada et al. 2010