Polysphaeridium punctatum
From dinoflaj2
"?punctatum" Jain and Millepied, 1975, p.151, pl.5, figs.71-72. Holotype: Jain and Millepied, 1975, pl.5, fig.72. NOW Exochosphaeridium?. Originally Polysphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Exochosphaeridium?. Questionable assignment: Stover and Evitt (1978, p.76). Age: Maastrichtian.
Parent: Polysphaeridium