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
