Biconidinium reductum
From dinoflaj3
reductum (May, 1980, p.84–85, pl.21, fig.20) Kirsch, 1991, p.120. Emendation: Kirsch, 1991, p.120, as Biconidinium reductum. Holotype: May, 1980, pl.12, fig.20. Originally Palaeocystodinium, subsequently (and now) Biconidinium. Taxonomic junior synonym: Svalbardella parva (name not validly published), according to Slimani (2001a, p.192). Age: late Campanian–early Maastrichtian.
Parent: Biconidinium