Alphabetical Listing of Families within this Taxa Group:

family     Acropisthiidae		T2006505
family     Amphileptidae		T2006446
family     Didiniidae		T2006453
family     Enchelyidae		T2006452
family     Helicoprorodontidae		T2006650
family     Homalozoonidae		T2006651
family     Lacrymariidae		T2012132
family     Litonotidae		T2006506
family     Mesodiniidae		T2002470
family     Spathidiidae		T2006444
family     Tracheliidae		T2006637
family     Trachelophyllidae		T2006501