Difference between revisions of "Pervosphaeridium pseudhystrichodinium"
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Revision as of 18:06, 5 December 2016
*pseudhystrichodinium (Deflandre, 1937b, p.73, pl.15 [al. pl.12], figs.3-4) Yun Hyesu, 1981, p.29. Emendation: Davey, 1969a, p.163, as Exochosphaeridium pseudhystrichodinium. Holotype: Deflandre, 1937b, pl.15 (al. pl.12), fig.3; Eisenack and Kjellström, 1972, p.415; Fensome et al., 1995, fig.1 - p.1705. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Exochosphaeridium, fourthly (and now) Pervosphaeridium. Taxonomic junior synonym: Hystrichosphaeridium (al. Exochosphaeridium) palmatum, according to Yun Hyesu (1981, p.29). Ziaja (1989, p.214) considered Exochosphaeridium muelleri to be a possible taxonomic junior synonym of Pervosphaeridium pseudhystrichodinium. Yun Hyesu (1981, p.29) considered Xanthidium hirsutum of Ehrenberg, 1837b (name not validly published) to be a possible taxonomic junior synonym of this species. Age: Late Cretaceous.
