VIVIN SEYGITA (1210247992) Abundance of Potent Toxins Benthic Dinoflagellates in Teluk Bayur Bay, West Sumatera directed by Prof. Dr. Ir. Thamrin, M.Sc and Prof. Dr. Ir. Yusni Ikhwan Siregar, M.Sc. Epibenthic dinoflagellates are of important as primary producer in coastal and ocean ecosystems. But it has potent toxins causing harmfull effect to marine fauna as well as to human. The present stu…