Gerlachidium aechmophorum
From dinoflaj3
*aechmophorum (Benedek, 1972, p.41, pl.5, figs.7,11; text-fig.17) Benedek and Sarjeant, 1981, p.340. Emendation: Benedek and Sarjeant, 1981, p.340–341, as Gerlachidium aechmophorum. Holotype: Benedek, 1972, pl.5, fig.7; text-fig.17; Benedek and Sarjeant, 1981, figs.7,9, nos.1–2; Fensome et al., 1993a, figs.1–2 — p.887. Originally Lejeunia (generic name illegitimate), subsequently Wilsonidium?, thirdly Lejeunecysta, fourthly (and now) Gerlachidium. Lentin and Williams (1985, p.143) retained this species in Gerlachidium. Age: middle-late Oligocene.