Versteegh and Zevenboom, 1995
From dinoflaj3
Versteegh, G.J.M. and Zevenboom, D., 1995: New genera and species of dinoflagellate cysts from the Mediterranean Neogene. Review of Palaeobotany and Palynology, v.85, p.213-229, pl.1-5. (Publication dated April, 1995.)