Saxena and Sarkar, 2000
From dinoflaj2
Saxena, R.K. and Sarkar, S., 2000: Palynological investigation of the Siju Formation (Middle Eocene) in the type area, South Garo Hills, Meghalaya, India. The Palaeobotanist, v.49, p.253-267, pl.1-2.
