👉 Octadecabacter is a genus of bacteria that belongs to the family Bacteroidetes and are commonly found in soil, water bodies, and aquatic environments. They primarily cause infections such as pseudomonasemia (a type of pneumonia) and pseudomembranous colitis. Octadecabacteria can also be found in human tissues and have been implicated in various diseases including tuberculosis, AIDS, and neumovirus infections.