Hystrichosphaeridium paulinae
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"paulinae" (Valensi, 1953, p.48, pl.12, fig.6) Downie and Sarjeant, 1965, p.121. Holotype: Valensi, 1953, pl.12, fig.6. NOW Dapsilidinium?. Originally Micrhystridium (Appendix A), subsequently Hystrichosphaeridium, thirdly Polysphaeridium?, fourthly (and now) Dapsilidinium?. Age: Mid Jurassic.
Parent: Hystrichosphaeridium