Hystrichosphaera intermedia
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"intermedia" Wetzel, 1933b, p.46; text-fig.14. Holotype: Wetzel, 1933b, text-fig.14. Name not validly published: generic name not validly published until 1937. NOW Hystrichosphaeridium?. Originally Hystrichosphaera (name not validly published), subsequently Hystrichosphaeridium, thirdly Baltisphaeridium (Appendix A), fourthly (and now) Hystrichosphaeridium?. Age: ?Late Cretaceous.
Parent: Hystrichosphaera