zoogloea ramigera zoogloea ramigera zoogloea ramigera is a gram-negative, aerobic bacterium from the genus of zoogloea which occurs in organically enriched aqueous environments like activated sludges. zoogloea ramigera scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: rhodocyclales family: rhodocyclaceae genus: zoogloea species: z. ramigera binomial name zoogloea ramigeraitzigsohn 1868 type strain atcc 19544, ccug 35205t, ccug 35504, cip 107119, dondero 106, iam 12136, ifo 15342, kctc 2446, lmg 15100, lmg 17136, lmg 4432, nbrc 15342, ncimb 10706, nctc 13030, nrrl b-3691