atribacter atribacter atribacter is a genus of bacteria of the candidate phylum atribacterota with one known species (atribacter laminatus). atribacter scientific classification domain: bacteria superphylum: terrabacteria phylum: atribacterota class: atribacteria order: atribacterales family: atribacteraceae genus: atribacterkatayama et al. 2021 type species atribacter laminatuskatayama et al. 2021 species a. laminatus