Magallanesium denticulatum
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"denticulatum" (Pöthe de Baldis and Ramos, 1983, p.438, pl.2, figs.7,11; pl.4, fig.2) Quattrocchio and Sarjeant, p.140. 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: Magallanesium