Microdinium horridum

?horridum (Below, 1987b, p.49-50, pl.17, figs.1-6; text-figs.11a-h) Lentin and Williams, 1989, p.245.  Holotype: Below, 1987b, pl.17, figs.1-6; Fensome et al., 1993a, figs.1-4 - p.1229.  Originally Phanerodinium, subsequently (and now) Microdinium?.  Lentin and Williams (1993, p.426) retained this species in Microdinium. Questionable assignment: Lentin and Williams (1989, p.245).  Age: Mid Albian-Early Cenomanian.

Parent: Microdinium