Dinopterygium bicuneatum
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"bicuneatum" (Deflandre, 1939a, p.180, pl.8, fig.7 ex Sarjeant, 1967b, p.248) Lentin and Williams, 1981, p.87. Holotype: Deflandre, 1939a, pl.8, fig.7. NOW Cornudinium. Originally Palaeoperidinium (name not validly published), subsequently Scriniodinium, thirdly Glossodinium, fourthly Dinopterygium, fifthly (and now) Cornudinium. Age: Oxfordian.
Parent: Dinopterygium