Alphabetical Listing of Families within this Taxa Group:

family     Ardissoneaceae		T2017111
family     Climacospheniaceae		T2006493
family     Cyclophoraceae		T2006666
family     Entopylaceae		T2006494
family     Fragilariaceae		T2002221
family     Grammatophoraceae		T2002237
family     Licmophoraceae		T2002408
family     Protoraphidaceae		T2006622
family     Rhabdonemataceae		T2002235
family     Striatellaceae		T2004114
family     Tabellariaceae		T2002232
family     Thalassionemataceae		T2002227
family     Toxariaceae		T2006492