Ditylum

Ditylum is a genus of diatoms belonging to the family Lithodesmiaceae.

The genus has cosmopolitan distribution.

Species:
 * Ditylum brightwellii (T.West) Grunow, 1885
 * Ditylum buchananii von Stosch, 1987
 * Ditylum cornutum Forti & Schulz, 1932
 * Ditylum ehrenbergii Grunow, 1883
 * Ditylum grovei Brun, 1891
 * Ditylum inaequale J.W.Bailey ex L.W.Bailey, 1862
 * Ditylum pernodi Schröder, 1906
 * Ditylum segmentale Brun, 1891
 * Ditylum sol (Grunow) De Toni, 1894
 * Ditylum trigonum L.W.Bailey ex L.W.Bailey, 1862
 * Ditylum trigonum Schröder, 1906