Nannoceratopsis triceras
From dinoflaj3
triceras Drugg, 1978, p.71, pl.6, figs.10–12; pl.7, figs.1–2. Holotype: Drugg, 1978, pl.6, fig.12. Taxonomic junior synonym: Nannoceratopsis tricornuta, according to Wille and Gocht (1979, p.256). Age: Pliensbachian–late Callovian.