Enneadocysta arcuata
From dinoflaj3
arcuata (Eaton, 1971, p.360–363, pl.3, figs.1–9; text-figs.4–5) Stover and Williams, 1995, p.108. Emendation: Stover and Williams, 1995, p.109, as Enneadocysta arcuata. Holotype: Eaton, 1971, pl.3, fig.1; text-fig.4; Bujak et al., 1980, pl.2, fig.6. Originally Areosphaeridium, subsequently (and now) Enneadocysta. Taxonomic senior synonym: Hystrichosphaeridium (now Enneadocysta?) dictyostilum, according to Sarjeant (1981, p.115–116) — however, Lentin and Williams (1985, p.26) retained Areosphaeridium (now Enneadocysta) arcuatum. Age: middle Eocene.
