Fisher and van Helden, 1979
From dinoflaj2
Fisher, M.J. and van Helden, B.G.T., 1979: Some observations on the fossil dinocyst genus Rhaetogonyaulax Sarjeant, 1966. Palynology, v.3, p.265-276, pl.1-4.
Fisher, M.J. and van Helden, B.G.T., 1979: Some observations on the fossil dinocyst genus Rhaetogonyaulax Sarjeant, 1966. Palynology, v.3, p.265-276, pl.1-4.
