Mehrotra and Aswal, 2003
From dinoflaj3
Mehrotra, N.C. and Aswal, H.S., 2003: Atlas of dinoflagellate cysts from Mesozoic-Tertiary sediments of Krishna-Godavari Basin. Volume 1: Late Jurassic-Cretaceous dinoflagellate cysts. Paleontographica Indica, no. 7, 146 p, 36 pl.