albibacillus albibacillus albibacillus is a gram-negative, rod-shaped and motile bacterial genus from the family rhodobacteraceae with one known species (albibacillus kandeliae). ruegeria kandeliae has been reclassified to albibacillus kandeliae. albibacillus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: albibacillushördt et al. 2020 type species albibacillus kandeliae species a. kandeliae