Alisocysta circumtabulata
From dinoflaj3
*circumtabulata (Drugg, 1967, p.15, pl.1, figs.12–13) Stover and Evitt, 1978, p.16. Holotype: Drugg, 1967, pl.1, fig.12; Damassa, 1979b, pl.3, figs.14–16; Fensome et al., 1993a, fig.1 — p.1061. Originally Eisenackia, subsequently Hystrichokolpoma, thirdly (and now) Alisocysta, fourthly Agerasphaera (generic name illegitimate). Taxonomic junior synonym: Hystrichokolpoma mentitum, according to Schumacker-Lambry (1978, p.42) — however, Lentin and Williams (1981, p.135) retained Hystrichokolpoma mentitum. Fensome et al. (in press) retained this species in Alisocysta. Age: Danian.