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