Bicolumnus ovatus Wei & Wise, 1990 = Syn. Dictyococcites scrippsae Bukry & Percival,1971
Bukry, D., Percival, S. F., 1971. New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology 8, 123-146.
Wei, W., Wise, S. W., 1990. Middle Eocene to Pleistocene calcareous nannofossils recovered by Ocean Drilling Program leg 113 in the Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results 113, 639-666.