Endoceratium turneri
From dinoflaj3
turneri (Cookson and Eisenack, 1958, p.55, pl.5, figs.2–6) Stover and Evitt, 1978, p.45. Holotype: Cookson and Eisenack, 1958, pl.5, fig.3. Originally Pseudoceratium, subsequently (and now) Endoceratium. Lentin and Williams (1989, p.126) retained this species in Endoceratium. Age: Aptian–Albian.