Ditylum
{{Short description|Genus of algae}}
{{Automatic taxobox
|image = Ditylum_brightwellii2.jpg
|image_caption = Ditylum brightwellii
|taxon = Ditylum
|authority = J.W.Bailey ex L.W.Bailey, 1861
}}
Ditylum is a genus of diatoms belonging to the family Lithodesmiaceae.{{cite web |title=Ditylum J.W.Bailey ex L.W.Bailey, 1861 |url=https://www.gbif.org/species/7555323 |website=www.gbif.org |access-date=21 April 2021 |language=en}}
The genus has cosmopolitan distribution.
- Ditylum brightwellii {{small|(T.West) Grunow, 1885}}
- Ditylum buchananii {{small|von Stosch, 1987}}
- Ditylum cornutum {{small|Forti & Schulz, 1932}}
- Ditylum ehrenbergii {{small|Grunow, 1883}}
- Ditylum grovei {{small|Brun, 1891}}
- Ditylum inaequale {{small|J.W.Bailey ex L.W.Bailey, 1862}}
- Ditylum pernodi {{small|Schröder, 1906}}
- Ditylum segmentale {{small|Brun, 1891}}
- Ditylum sol {{small|(Grunow) De Toni, 1894}}
- Ditylum trigonum {{small|L.W.Bailey ex L.W.Bailey, 1862}}
- Ditylum trigonum {{small|Schröder, 1906}}