Pyramimonas (Hexactis) Hori, Moestrup & Hoffman 1995
Hori, Moestrup & Hoffman 1995. Fine structural studies on an ultraplanktonic species of Pyramimonas, P. virginica (Prasinophyceae), with a discussion of subgenera within the genus Pyramimonas. European Journal of Phycology, 30(3), August 1995: 219-234