Gyrodinium
Gyrodinium
Genus of protists
Gyrodinium is a genus of dinoflagellates belonging to the order Gymnodiniales within class Dinophyceae.[1]
The genus has cosmopolitan distribution.[1] World Register of Marine Species lists 141 species, with many synonyms.[2]
They are heterotrophic (cannot produce its own food) and feed on diatoms (such as Chaetoceros debilis) that can be up to 12 times their length.[3] They are 'naked' dinoflagellates, meaning they lack armor (or cellulosic plates).[4]