herminiimonas arsenicoxydans herminiimonas arsenicoxydans herminiimonas arsenicoxydans is a species of ultramicrobacteria. first reported in 2006, it was isolated from industrial sludge and is able to oxidise the toxic chemical element arsenic. herminiimonas arsenicoxydans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: herminiimonas species: h. arsenicoxydans binomial name herminiimonas arsenicoxydansmuller et al., 2006