Gambierdiscus australes is a species of toxic (ciguatoxin- and maitotoxin-like toxicity) dinoflagellate. It is 76–93 μm long and 65–85 μm wide dorsoventrally and its surface is smooth. It is identified by a broad ellipsoid apical pore plate surrounded by 31 round pores. Its first plate occupies 30% of the width of the hypotheca.

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Further reading

External links
AlgaeBase

Gonyaulacales
Protists described in 1999