Fragilariales

• Ardissonea
• Asterionella
  Asterionella
  Asterionella is a genus of pennate freshwater diatoms. They are frequently found in star shaped colonies of individuals.- Description :Asterionella average cell size is 60-80 micrometer long and 2-4 micrometer wide....
  
  
• Asterionellopsis
• Catacombas
• Diatoma
• Fragilaria
• Fragilariforma
• Grammonema
• Hyalosynedra
• Neofragilaria
• Opephora
• Pseudostaurosira
• Punctastriata
• Staurosira
• Staurosirella
• Synedra
• Synedropsis
• Tabularia
• Ulnaria

Other

• Climacosphenia
• Cyclophora
• Delphineis
• Protoraphis
• Rhabdonema
• Rhaphoneis
• Tabellaria
  Tabellaria
  Tabellaria is a genus of diatoms . They are cuboid in shape, and the frustules are attached at the corners so that the colonies assume a zigzag shape.-External links:...
  
  
• Thalassionema