Hystrichosphaeridium multifurcatum Deflandre, 1937

Now Cleistosphaeridium?. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Cleistosphaeridium, fourthly (and now) Cleistosphaeridium?.
Holotype: Deflandre, 1937, pl.16 [al. pl.13], fig.2; Fensome et al., 1991, figs.1-2-p.691, fig.1-p.693
Age: Late Cretaceous