Fallacia (alga)
{{Short description|Genus of diatoms}}
{{Automatic taxobox
|image =
|image_caption =
|taxon = Fallacia (alga)
|authority = A.J.Stickle & D.G.Mann, 1990
}}
Fallacia is a genus of diatoms belonging to the family Sellaphoraceae.{{cite web |title=Fallacia A.J.Stickle & D.G.Mann, 1990 |url=https://www.gbif.org/species/2633095 |website=www.gbif.org |access-date=23 April 2021 |language=en}}
The genus has cosmopolitan distribution.
- Fallacia arenaria {{small|K.Sabbe & W.Vyverman, 1999}}
- Fallacia carpentariae {{small|Hallegraeff & Burford, 1996}}
- Fallacia cassubiae {{small|Witkowski, 1991}}