Meiourogonyaulax mitra
From dinoflaj3
"mitra" Dürr, 1987, p.74,77, figs.3a–b; fig.4, nos.3–6; fig.6, nos.1–3,5. Holotype: Dürr, 1987, fig.4, no.3; Dürr, 1988, pl.1, fig.5. NOW Semicavidinium. Originally Meiourogonyaulax, subsequently Lithodinia, thirdly (and now) Semicavidinium. N.I.A. Age: middle Kimmeridgian.
Parent: Meiourogonyaulax