Fragilidium
{{Short description|Genus of algae}}
{{Automatic taxobox
|image =
|image_caption =
|taxon = Fragilidium
|authority = Balech ex Loeblich III
}}
Fragilidium is a genus of dinoflagellates belonging to the family Pyrocystaceae.{{AlgaeBase genus|name=Fragilidium|id=44643}}
- Fragilidium duplocampanaeforme {{small|Nézan & Chomérat }}
- Fragilidium fissile {{small|Balech }}
- Fragilidium heterolobum {{small|Balech ex Loeblich III }}
- Fragilidium lacustre {{small|(Lindemann) Balech }}
- Fragilidium mexicanum {{small|Balech }}
- Fragilidium subglobosum {{small|(Stosch) Loeblich III}}