Dinoflagellate cyst 2

Illustration of a third type of Dinoflagellate cyst

Illustration of a dinoflagellate cyst

Illustration of Pfiesteria piscicida (Dinoflagellate) , responsible for many harmful algal blooms in the 1980s and 1990s on the coast of North Carolina and Maryland. The species name piscicida means "fish-killer."

Illustration of P. Shumwayae (Dinoflagellate)

Illustration of Ceratium furca (Dinoflagellate)

Illustration of Ceratium furca (Dinoflagellate)

Illustration of Amphidinium operculatum (Dinoflagellate) , an epi-benthic/epiphytic algae that is considered toxic and linked to ciguatera toxins

Illustration of a second type of benthic microalgae