Wrenn and Kokinos, 1986
From dinoflaj2
Wrenn, J.H. and Kokinos, J.P., 1986: Preliminary comments on Miocene through Pleistocene dinoflagellate cysts from De Soto Canyon, Gulf of Mexico. American Association of Stratigraphic Palynologists, Contributions Series, no.17, p.169-225, pl.1-20.
