He Chengquan and Sun Xuekun, 1991
From dinoflaj3
He Chengquan and Sun Xuekun, 1991: 7. Dinoflagellate cysts from Quaternary sediments of Nansha, the South China Sea. In: The Multidisciplinary Oceanographic Expedition Team of Academia Sinica to the Nansha Islands (editors), Quaternary Biological Groups of the Nansha Islands and the Neighbouring Waters, p.266-302,520-525, pl.1-6; Science Press, Beijing, China.