Subtilisphaera sverdrupiana
From dinoflaj3
"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). Lentin and Williams (1976, p.118) stated " 'S. sverdrupiana' [is transferred] to Palaeoperidinium ..."; however, they did effect this change. Age: Cenomanian.
Parent: Subtilisphaera