Palaeotetradinium silicorum
From dinoflaj2
*silicorum Deflandre, 1936b, p.189, pl.9, fig.11. Emendation: Deflandre and Sarjeant, 1970, p.4. Holotype: Deflandre, 1936b, pl.9, fig.11; Deflandre and Sarjeant, 1970, pl.1, figs.7-8. This name was not validly published in Deflandre (1934, caption to fig.6 - p.967; 1935, p.231) since no description was provided. N.I.A. Age: ?Senonian.
Parent: Palaeotetradinium