Fragilariophyceae
# Fragilariophyceae

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
