Subtilisphaera sverdrupiana
From dinoflaj2
"sverdrupiana" (Manum, 1963, p.59-60, pl.2, figs.6-15; text-fig.3) Jain and Millepied, 1973, p.27. Emendation: Lebedeva in Ilyina et al., 1994, p.64, as Spinidinium sverdrupianum. Holotype: Manum, 1963, pl.2, figs.12-13. NOW Spinidinium. Originally Deflandrea, subsequently (and now) Spinidinium, thirdly Subtilisphaera, fourthly Cooksoniella (combination not validly published). Age: Cenomanian.
Parent: Subtilisphaera