Fragilariophyceae
Fragilariales 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''