Baltisphaeridium multifurcatum, (Deflandre, 1937), Klement, 1960

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