YOU GUYS, ITS DINOFLAGALLETE WEEK.
Appropriately enough, i present to you Karenia brevis, a marine dinoflagellate common in Gulf of Mexico waters, and is the organism responsible for the Florida red tide. K. brevis is a microscopic, single-celled, photosynthetic organism that can “bloom” frequently along Florida coastal waters. K. brevis naturally produces a suite of potent neurotoxins collectively called brevetoxins, which are responsible for large die-offs of marine organisms and seabirds.
via wikipedia
Another non-thecate species has arrived. Wikipedia mentions this alga was formerly known as Gymnodinium breve. Gymnodinium is derived from the Greek words gymnos (“naked”) and dineo (“to whirl”).