Impagidinium multiplex

multiplex (Wall and Dale, 1968a, p.318, pl.1, figs.1–7; text-fig.1) Lentin and Williams, 1981, p.154.  Holotype: Wall and Dale, 1968a, pl.1, figs.1–6; Jan du Chêne et al., 1986a, pl.54, figs.7–9.  Originally Anhystrichosphaera (name not validly published), subsequently Leptodinium, thirdly (and now) Impagidinium.  Wall and Dale (1968a, p.315,318) expressly based this species and name on the invalid name Anhystrichosphaera multiplex Deflandre in West, 1961 (West's hystrichosphere type "z").  Age: early Pleistocene.

Parent: Impagidinium