Alphabetical Listing of Families within this Taxa Group:

family     Arachnoidiscaceae		T2004275
family     Asterolampraceae		T2002238
family     Aulacodiscaceae		T2002401
family     Aulacoseiraceae		T2002241
family     Chrysanthemodiscaceae		T2006535
family     Coscinodiscaceae		T2002213
family     Endictyaceae		T2006429
family     Ethmodiscaceae		T2002404
family     Gossleriellaceae		T2004112
family     Heliopeltaceae		T2002400
family     Hemidiscaceae		T2002399
family     Hyalodiscaceae		T2002407
family     Melosiraceae		T2002410
family     Paraliaceae		T2002411
family     Stephanopyxidaceae		T2002414
family     Stictodiscaceae		T2006631