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Fragilariophyceae is a group of pennate diatoms lacking a raphe.


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