Examples
It includes the following genera:Fragilariales
*'' Ardissonea'' *'' Asterionella'' *'' Asterionellopsis'' *'' Catacombas'' *'' Diatoma'' *'' Fragilaria'' *'' Fragilariforma'' *'' Grammonema'' *'' Hyalosynedra'' *'' Neofragilaria'' *'' Opephora'' *'' Pseudostaurosira'' *'' Punctastriata'' *'' Staurosira'' *'' Staurosirella'' *'' Synedra'' *'' Synedropsis'' *'' Tabularia'' *'' Ulnaria''Striatellales
*'' Hyalosira'' *'' Striatella'' *'' Toxarium''Other
*'' Climacosphenia'' *'' Cyclophora'' *'' Delphineis'' *'' Protoraphis'' *'' Rhabdonema'' *'' Rhaphoneis'' *'' Tabellaria'' *'' Thalassionema''References
Heterokont classes {{Diatom-stub