Alphabetical Listing of Families within this Taxa Group:

family     Alcaligenaceae		T2004068
family     Burkholderiaceae		T2006858
family     Comamonadaceae		T2006564
family     Hydrogenophilaceae		T2006808
family     Methylophilaceae		T2006880
family     Neisseriaceae		T2006846
family     Nitrosomonadaceae		T2006809
family     Oxalobacteriaceae		T2006563
family     Rhodocyclaceae		T2006810