ancalomicrobium adetum ancalomicrobium adetum ancalomicrobium adetum is a bacterium from the order of hyphomicrobiales and the only species in the genus ancalomicrobium. it was isolated from freshwater creek. ancalomicrobium adetum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: ancalomicrobiaceae genus: ancalomicrobium species: a. adetum binomial name ancalomicrobium adetumstaley 1968 type strain 4a:2, atcc 23632, dsm 4722, iam 14882, jcm 21375, nbrc 102456, ncimb 12776, vkm b-1375