Biscutum? tenuiculum Okada & Thierstein, 1979
Okada, H. & Thierstein, H. R., (1979): Calcareous nannoplankton - Leg 43, Deep Sea Drilling Project. - Initial Reports of the Deep Sea Drilling Project. 43: 507-573.
Varol, O. & Jakubowski, M., (1989): Some new nannofossil taxa. - INA Newsletter. 11: 24-29.