Polysphaeridium conispinum
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"?conispinum" (Davey and Verdier, 1973, p.193-194, pl.4, figs.4,6,8-9) Stover and Evitt, 1978, p.76. Emendation: Lucas-Clark, 1984, p.187, as Litosphaeridium conispinum. Holotype: Davey and Verdier, 1973, pl.4, fig.8. NOW Litosphaeridium. Originally (and now) Litosphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?. Questionable assignment: Stover and Evitt (1978, p.76) as a problematic species. Age: Late Albian.
Parent: Polysphaeridium
