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)