Gonyaulacysta downiei
From dinoflaj3
"downiei" Pocock, 1972, p.87, pl.22, figs.1–2; text-fig.2. Holotype: Pocock, 1972, pl.22, figs.1–2; Jan du Chêne et al., 1986a, pl.97, figs.7–12. Originally Gonyaulacysta, subsequently Hystrichosphaeropsis, thirdly Rhynchodiniopsis?, fourthly Rhynchodiniopsis. Taxonomic senior synonym: Gonyaulax (as Hystrichogonyaulax now Rhynchodiniopsis) cladophora, according to Fisher and Riley (1980, p.320) and Kunz (1990, p.23). Age: Oxfordian–Kimmeridgian.
Parent: Gonyaulacysta