ancalomicrobiaceae ancalomicrobiaceae ancalomicrobiaceae is a family of alphaproteobacteria. ancalomicrobiaceae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: ancalomicrobiaceaedahal et al. 2018 genera ancalomicrobium staley 1968 (approved lists 1980) pinisolibacter dahal et al. 2018 siculibacillus felföldi et al. 2019