HASEGAWA, T., H. MAYASHITA, M. KAWACHI, H. IKEMOTO, N. KURANO, S. MIYACHI, & M. CHIHARA 1996 (March 29) Prasinoderma coloniale gen. et sp. nov., a new pelagic coccoid prasinophyte from the western Pacific Ocean Phycologia 35(2): 170-176, 32 figs. LM, TEM; Mamiellales: Pycnococcaceae