Odontochitina operculata
From dinoflaj3
+operculata (Wetzel, 1933a, p.170, pl.2, figs.21–22; text-fig.3) Deflandre and Cookson, 1955, p.291–292. Holotype: Wetzel, 1933a, pl.2, fig.21. Originally Ceratium subgenus Euceratium (Appendix B), subsequently Palaeoceratium subgenus Euceratium (combination not validly published), thirdly Odontochitina. Taxonomic junior synonym: Odontochitina silicorum, according to Deflandre and Cookson (1955, p.292). The nomenclatural type of the genus Odontochitina remains the holotype of Odontochotina silicorum. Age: Senonian.