👉 Amphibacillaceae are a group of unicellular bacteria that include both aerobic and anaerobic species, with some species belonging to the family of Gram-negative bacilli. This group includes several diverse classes, including the Plasmabacteriales (Bacillus), Thermobacteriales (Escherichia), Rhizobial (Rhodococcus), Aspergillaceae (Aspergillus), and others.