Coronifera oceanica subsp. magna
From dinoflaj2
subsp. magna (Wetzel, 1955, p.35,38, figs.9-10,14) Sarjeant, 1984c, p.138-139. 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, figs.1-3 - p.663; fig.1 - p.697. Originally Hystrichosphaeridium pseudhystrichodinium subsp. magnum, subsequently Baltisphaeridium pseudhystrichodinium subsp. magnum (Appendix A), thirdly (and now) Coronifera oceanica subsp. magna, fourthly Coronifera pedata subsp. magna. Lentin and Williams (1989, p.77) retained this taxon as a subspecies of Coronifera oceanica. Age: Paleocene. Parent: Coronifera oceanica