Bacteroidetes
This phylum of bacteria is divided into three orders.
Order Bacteroidales, genera Bacterioides and Prevotella (Prevotella [Bacteroides] ruminicola)
Order Cytophagales, genus Cytophaga (Cytophaga [Flexibacter] psychrophilus]
Order Flavobacteriales, genera Flavobacterium, and Riemerella (Riemerella [Moraxella] anatipestifer)