Palaeoperidinium dictyophorum

"dictyophorum" Deflandre, 1939a, p.178, pl.8, figs.1-3.  Holotype: Deflandre, 1939a, pl.8, fig.1; Jan du Chêne et al., 1986a, pl.7, figs.1-5.  Name not validly published: generic name not validly published until 1967.  NOW Scriniodinium?.  Originally Palaeoperidinium (name not validly published), subsequently Gonyaulacysta, thirdly Aldorfia, fourthly Scriniodinium, fifthly (and now) Scriniodinium?.  Age: Oxfordian.

Parent: Palaeoperidinium