Dioxya denticulata
From dinoflaj2
"denticulata" Pöthe de Baldis and Ramos, 1983, p.438, pl.2, figs.7,11; pl.4, fig.2. Holotype: Pöthe de Baldis and Ramos, 1983, pl.2, figs.7,11; pl.4, fig.2. NOW Magallanesium. Originally Dioxya denticulata, subsequently Spinidinium argentinium, thirdly (and now) Magallanesium denticulatum. Spinidinium argentinium is a substitute name, since the epithet "denticulatum" is preoccupied in Spinidinium. Age: Early Aptian.
Parent: Dioxya