Hystrichosphaeridium asteroideum

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"asteroideum" (Maslov, 1956, p.262, pl.86, fig.13) Deflandre and Deflandre-Rigaud, 1958, card 1359.  Holotype: Maslov, 1956, pl.86, fig.13.  NOW Baltisphaeridium asteroideum (Appendix A).  Originally Hystrichosphaera asteroidea, subsequently Hystrichosphaeridium asteroideum, thirdly Baltisphaeridium hirsutoides forma asteroideum (Appendix A), fourthly (and now) Baltisphaeridium asteroideum (Appendix A).  Age: Late Cretaceous.

Parent: Hystrichosphaeridium