Spinidinium rallum
From dinoflaj3
?rallum Heisecke, 1970, p.226,228, pl.1, figs.1–2; pl.2, fig.1. Originally Spinidinium, subsequently Magallanesium, thirdly (and now) Spinidinium? Questionable assignment: Sluijs et al. (2009, p.48). Age: Danian.
Parent: Spinidinium