Exochosphaeridium muelleri

muelleri Yun Hyesu, 1981, p.25–26, pl.4, figs.12,14–15; pl.5, figs.9,11.  Holotype: Yun Hyesu, 1981, pl.4, fig.12; Fensome et al., 1991, fig.1 — p.685.  Ziaja (1989, p.214) considered Hystrichosphaeridium (as Exochosphaeridium) pseudhystrichodinium to be the questionable taxonomic senior synonym of this species.  Age: early Santonian.

Parent: Exochosphaeridium