Mehrotra and Sarjeant, 1987
From dinoflaj3
Mehrotra, N.C. and Sarjeant, W.A.S., 1987: Late Cretaceous to Early Tertiary dinoflagellate cysts from Narasapur Well-1, Godavari-Krishna Basin, south India. Geobios, v.20, no.2, p.149-191, pl.1-9.