Ceratium operculatum Appendix B
From dinoflaj3
"operculatum" Wetzel, 1933a, p.170, pl.2, figs.21–22; text-fig.3. Holotype: Wetzel, 1933a, pl.2, fig.21. NOW Odontochitina operculata. Originally Ceratium (Euceratium) operculatum, subsequently Palaeoceratium (combination not validly published), thirdly (and now) Odontochitina. Taxonomic junior synonym: Odontochitina silicorum, according to Deflandre and Cookson (1955, p.292). Wetzel (1933a, p.170) gave the following citation, "Ceratium (Euceratium) operculatum n. sp." Age: Senonian.
Parent: Ceratium_Appendix B