Polysphaeridium ?elongatum (Jain and Millepied, 1975, p.150–151, pl.5, figs.73–74) Lentin and Williams, 1981, p.69.

NOW Exochosphaeridium. Originally Polysphaeridium, subsequently Polysphaeridium?, thirdly Dapsilidinium?, fourthly (and now) Exochosphaeridium. Questionable assignment: Lentin and Williams (1981, p.69).

Holotype: Jain and Millepied, 1975, pl.5, fig.74.
Age: Maastrichtian.