Sarkar and Singh, 1988
From dinoflaj2
Sarkar, S. and Singh, H.P., 1988: Palynological investigation of the Subathu Formation (Eocene) in the Banethi-Bagthan area of Himachal Pradesh, India. Palaeontographica, Abteilung B, v.209, p.29-109, pl.1-8.
