Matsuoka and Bujak, 1988
From dinoflaj3
Matsuoka, K. and Bujak, J.P., 1988: Cenozoic dinoflagellate cysts from the Navarin Basin, Norton Sound and St. George Basin, Bering Sea. Nagasaki University, Faculty of Liberal Arts, Natural Science, Bulletin, v.29, no.1, p.1-147, pl.1-19.