Spinidinium apertura

"apertura" Wilson, 1967a, p.64-65, figs.3-5,8.  Holotype: Wilson, 1967a, figs.3-4; Fensome et al., 1993a, figs.1-2 - p.925.  NOW Vozzhennikovia.  Originally Spinidinium, subsequently (and now) Vozzhennikovia, thirdly Dioxya.  N.I.A.  Age: Paleocene-Oligocene.

Parent: Spinidinium