👉 Ornithobacterium is a type of bacterium that belongs to the family Bacteroidetes, which are part of the order Bacillales and belong to the kingdom Firmicutes. It is commonly found in marine environments, including lakes, rivers, and estuaries, where it can be found as an endospore or as a living organism. Its cell wall is composed primarily of cellulose, while its outer membrane contains lipids, proteins, and nucleotides.