Family Dinophysiaceae Stein, 1883
Family within Order Dinophysiales. Cells with a dinokont flagellar orientation and a distinct premedian cingulum. Cingulum and sulcus often with wide lists supported by ribs. A total of 18 or 19 plates in apical, epithecal, cingular, sulcul and hypothecal series. Cell never more than three times as long as broad, frequently laterally flattened.
Genus Dinophysis Ehrenberg, 1839