Polysphaeridium pseudocolligerum

"pseudocolligerum" Stover, 1977, p.74-75, pl.1, figs.14-19. Holotype: Stover, 1977, pl.1, figs.14-16. NOW Dapsilidinium. Originally Polysphaeridium, subsequently (and now) Dapsilidinium. Age: Early Oligocene-Early Miocene.