Pervosphaeridium paucispinum
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paucispinum (Eisenack and Cookson, 1960, p.5–6, pl.2, fig.7) Jan du Chêne et al., 1986a, p.369. Emendation: Jan du Chêne et al., 1986a, p.369, as Pervosphaeridium paucispinum. Holotype: Eisenack and Cookson, 1960, pl.2, fig.7; Jan du Chêne et al., 1986a, pl.122, fig.13. Originally Trichodinium, subsequently Occisucysta, thirdly (and now) Pervosphaeridium. Age: Albian.
Parent: Pervosphaeridium