title: Diatoma
text: # Diatoma
  
  Diatoma is a genus of diatoms belonging to the family Fragilariaceae.
  
  The genus has cosmopolitan distribution.
  
  Species:
  
  * Diatoma angusticostata D.M.Williams & Z.Levkov, 2006
  * Diatoma arcuatum Lyngbye, 1818
  * Diatoma auritum Lyngbye, 1819
  