Mehrotra and Singh, 2003
From dinoflaj3
Mehrotra, N.C. and Singh, K., 2003: Atlas of dinoflagellate cysts from Mesozoic-Tertiary sediments of Krishna-Godavari Basin. Volume 2: Tertiary dinoflagellate cysts. Paleontographica Indica, no. 8, 135 p, 36 pl.