saccharococcus saccharococcus saccharococcus is a gram-positive, aerobic, non-spore-formin, heterotrophic, thermophilic and non-motile genus of bacteria from the family of bacillaceae with one known species (saccharococcus thermophilus). saccharococcus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: saccharococcusnystrand 1984 species s. thermophilus