swionibacillus swionibacillus swionibacillus is a gram-negative, strictly aerobic and non-motile genus of bacteria from the family of bacillaceae with one known species (swionibacillus sediminis). swionibacillus sediminis has been isolated from marine sediments from the south-west indian ocean. swionibacillus scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: swionibacillusli et al. 2017 type species swionibacillus sediminis species s. sediminis