<i>Ornithocercus thumii</i> (IMAGE)

Proceedings of the National Academy of Sciences

<i>Ornithocercus thumii</i>

Caption

Ornithocercus thumii, a marine dinoflagellate with cyanobacterial symbionts. Ornithocercus species cells are surrounded by a cellulosic covering and crown-shaped extensions of the covering that form an extracellular chamber. A number of coccoid, brown-colored cyanobacteria reside in the specialized chamber.

Credit

Takuro Nakayama

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