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Palaeoperidinium bicuneatum
Palaeoperidinium "bicuneatum" Deflandre, 1939a, p.180, pl.8, fig.7.
Holotype: Deflandre, 1939a, pl.8, fig.7. Name not validly published: generic name not validly published until 1967. NOW Cornudinium. Originally Palaeoperidinium (name not validly published), subsequently Scriniodinium, thirdly Glossodinium, fourthly Dinopterygium, fifthly (and now) Cornudinium. Age: Oxfordian.
Holotype: Deflandre, 1939a, pl.8, fig.7. Name not validly published: generic name not validly published until 1967. NOW Cornudinium. Originally Palaeoperidinium (name not validly published), subsequently Scriniodinium, thirdly Glossodinium, fourthly Dinopterygium, fifthly (and now) Cornudinium. Age: Oxfordian.