Author	Paez-Reyes, M and Head, M.J.,
Year	2013
Journal	Journal of Paleontology
Title	The Cenozoic gonyaulacacean dinoflagellate genera Operculodinium Wall, 1967 and Protoceratium Bergh, 1881 and their phylogenetic relationships.

Abstract Paez-Reyes, M and Head, M.J., 2013: The Cenozoic gonyaulacacean dinoflagellate genera Operculodinium Wall, 1967 and Protoceratium Bergh, 1881 and their phylogenetic relationships. Journal of Paleontology, v.87, no.5, p.786-803.