Biconidinium reductum

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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