Schnepf and Elbrächter, 1988
From dinoflaj3
Schnepf, E. and Elbrächter, M., 1988: Cryptophycean-like double membrane-bound chloroplast in the dinoflagellate, Dinophysis Ehrenb.: evolutionary, phylogenetic and toxicological implications. Botanica Acta, 101, p.196-203.