Polysphaeridium multispinosum
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"multispinosum" Davey, 1974, p.60, pl.7, fig.4. Holotype: Davey, 1974, pl.7, fig.4. NOW Dapsilidinium. Originally Polysphaeridium, subsequently (and now) Dapsilidinium. Age: early–late Barremian.
Parent: Polysphaeridium