Hystrichosphaeridium rhabdophorum
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"rhabdophorum" Valensi, 1955b, p.593, pl.3, fig.7. Holotype: Valensi, 1955b, pl.3, fig.7; Fauconnier and Masure, 2004, pl.20, figs.10-11. NOW Exochosphaeridium. Originally Hystrichosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Exochosphaeridium. Age: Late Cretaceous.
Parent: Hystrichosphaeridium
