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