Dioxya denticulata

"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 Spinidinium argentinium.  Originally Dioxya denticulata, subsequently (and now) Spinidinium argentinium, thirdly Magallanesium denticulatum.  Spinidinium argentinium is a substitute name, since the epithet "denticulatum" is preoccupied in Spinidinium.  Age: early Aptian.

Parent: Dioxya