Spinidinium sverdrupianum

sverdrupianum (Manum, 1963, p.59–60, pl.2, figs.6–15; text-fig.3) Lentin and Williams, 1976, p.64.  Emendation: Lebedeva in Ilyina et al., 1994, p.64, as Spinidinium sverdrupianum.  Holotype: Manum, 1963, pl.2, figs.12–13.  Originally Deflandrea, subsequently (and now) Spinidinium, thirdly Subtilisphaera, fourthly Cooksoniella (combination not validly published).  Lentin and Williams (1977b, p.157) retained this species in Spinidinium.  Age: Cenomanian.

Parent: Spinidinium