Coscinodiscus elegans is a species of diatom in the family Coscinodiscaceae. It is found in the Gulf of Mexico.Krayesky, D. M., E. Meave del Castillo, E. Zamudio, J. N. Norris, and S. Fredericq. 2009. Diatoms (Bacillariophyta) of the Gulf of Mexico, Pp. 155–186 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M
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