Polysphaeridium elongatum
From dinoflaj3
"?elongatum" Jain and Millepied, 1975, p.150–151, pl.5, figs.73–74. Holotype: Jain and Millepied, 1975, pl.5, fig.74. NOW Exochosphaeridium. Originally Polysphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Exochosphaeridium. Questionable assignment: Stover and Evitt (1978, p.76). Age: Maastrichtian.
Parent: Polysphaeridium