Alphabetical Listing of Families within this Taxa Group:

family     Discotrichidae		T2006652
family     Leptopharyngidae		T2012133
family     Microthoracidae		T2004874
family     Nassulidae		T2006614
family     Orthodonellidae incertae sedis		T2006653
family     Orthodonellidae		T2006508
family     Paranassulidae		T2006463
family     Scaphidiodontidae		T2006449