From Fensome et al., 2019:
Aldorfia dictyophora, (Deflandre, 1939a, p.178, pl.8, figs.1–3 ex Sarjeant, 1967b, p.249–250) Stover and Evitt, 1978, p.140.
Holotype: Deflandre, 1939a, pl.8, fig.1; Jan du Chêne et al., 1986a, pl.7, figs.1–5.
NOW Scriniodinium?.
Originally Palaeoperidinium (name not validly published), subsequently Gonyaulacysta, thirdly Aldorfia, fourthly Scriniodinium, fifthly (and now) Scriniodinium?.
Age: Oxfordian.

---------------------------------------------------------------------------------------------------