Mehrotra and Sarjeant, 1984c
From dinoflaj2
Mehrotra, N.C. and Sarjeant, W.A.S., 1984c: The dinoflagellate cyst genus Polygonifera; emendation and taxonomic stabilization. Journal of Micropalaeontology, v.3, no.1, p.43-53, pl.1-2.
