Palaeoperidinium caulleryi

"caulleryi" Deflandre, 1935, p.229, pl.6, fig.4.  Holotype: Deflandre, 1934, fig.7; Deflandre, 1935, pl.6, fig.4; Deflandre, 1936b, pl.5, figs.5,7.  Name not validly published: generic name not validly published until 1967.  NOW Diconodinium?.  Originally Palaeoperidinium (name not validly published), subsequently Diconodinium, thirdly (and now) Diconodinium?.  This name was not validly published in Deflandre (1934, caption to fig.7 — p.967) additionally since no description was provided.  A full description of this species was given by Deflandre (1936b, p.177).  Age: Senonian.

Parent: Palaeoperidinium