sphingomonas abikonensis sphingomonas abikonensis sphingomonas abikonensis is a species of gram-negative bacteria. following 16s rrna phylogenetic analysis, it was determined that the organism formerly classified as 'p.' abikonensis belonged in the sphingomonas rrna lineage. it is capable of forming freshwater biofilms. sphingomonas abikonensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingomonas binomial name sphingomonas abikonensis synonyms pseudomonas abikonensis