Hystrichosphaeridium deflandrei

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"deflandrei" Valensi, 1947, p.817; text-fig.3.  Holotype: Valensi, 1947, text-fig.3; Fauconnier and Masure, 2004, pl.21, figs.1-4.  NOW Dapsilidinium?.  Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly (and now) Dapsilidinium?.  Age: Mid Jurassic.

Parent: Hystrichosphaeridium