| If Challenging Existing Classification | 
        
            | Reasons Species Should be Reclassified: | 
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            | Other Details | 
        
            | Other Information: | marine dinoflagellate typically featuring a silica cell wall thus requiring silicate in the culture medium.  Some species may posess harmful toxins known to cause shellfish paralasys disease.  Red Tide is an example of a gymnodinium species. |