allgaiera allgaiera allgaiera is a bacterial genus from the family rhodobacteraceae with one known species (''allgaiera indica). allgaiera scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: allgaierahördt et al. 2020 type species allgaiera indica species allgaiera indica