Hystrichosphaeridium pseudhystrichodinium subsp. magnum

"subsp. magnum" Wetzel, 1955, p.35,38, figs.9–10,14.  Emendation: Sarjeant, 1984c, p.138–139, as Coronifera oceanica subsp. magna.  Holotype: Wetzel, 1955, fig.9; Sarjeant, 1984c, pl.5, figs.4–5; text-fig.11 (two illustrations); Fensome et al., 1991, p.663, figs.1–3; p.697, fig.1.  NOW Coronifera oceanica subsp. magna.  Originally Hystrichosphaeridium pseudhystrichodinium subsp. magnum, subsequently Baltisphaeridium pseudhystrichodinium subsp. magnum (Appendix A), thirdly (and now) Coronifera oceanica subsp. magna, fourthly Coronifera pedata subsp. magna.  Age: Paleocene.

Parent: Hystrichosphaeridium pseudhystrichodinium