Dinoflagellate studies III. Dinogymnium acuminatum n. gen., n.sp. (Maastrichtian) and other fossils formerly referable to Gymnodinium Stein.
Reference:
Evitt,W.R. et al. (1967)
Dinoflagellate studies III. Dinogymnium acuminatum n. gen., n.sp. (Maastrichtian) and other fossils formerly referable to Gymnodinium Stein. Stanford University Publications, Geological Sciences
Vol. 10 # 4 P. 3- 27