The cyst of the calcareous Dinoflagellate Scrippsiella trifida: resolving the fossil record of its organic wall with that of Alexandrium tamarense.
Head, M.J., Lewis, J. and de Vernal, A. 2006. The cyst of the calcareous Dinoflagellate Scrippsiella trifida: resolving the fossil record of its organic wall with that of Alexandrium tamarense. Journal of Paleontology. 80 (1), pp. 1-18.