Hystrichosphaeridium striolatum

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"striolatum" Deflandre, 1937b, p.72, pl.15 (al. pl.12), figs.1–2.  Holotype: Deflandre, 1937b, pl.15 (al. pl.12), fig.1.  NOW Coronifera.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Exochosphaeridium, fourthly (and now) Coronifera.  Age: Late Cretaceous.

Parent: Hystrichosphaeridium