atopostipes atopostipes atopostipes is a gram-positive, non-spore-forming, facultatively anaerobic and non-motile bacterial genus from the family of carnobacteriaceae, with one known species (atopostipes suicloacalis). atopostipes scientific classification domain: bacteria phylum: bacillota class: bacilli order: lactobacillales family: carnobacteriaceae genus: atopostipescotta et al. 2004 type species atopostipes suicloacalis species a. suicloacalis