Polysphaeridium pumilum
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"?pumilum" Davey and Williams, 1966b, p.93-94, pl.7, figs.3-4. Holotype: Davey and Williams, 1966b, pl.7, fig.3; Fauconnier and Masure, 2004, pl.20, fig.2. NOW Dapsilidinium?. Originally Polysphaeridium, subsequently Polysphaeridium?, thirdly (and now) Dapsilidinium?. Questionable assignment: Stover and Evitt (1978, p.76). Age: Cenomanian.
Parent: Polysphaeridium