Spinidinium irmoechinatum

?irmoechinatum (Heisecke, 1970, p.230, pl.1, fig.3; pl.2, figs.2–3) Stover and Evitt, 1978, p.125.  Holotype: Heisecke, 1970, pl.1, fig.3; pl.2, figs.2–3.  Originally Deflandrea, subsequently Gonyaulacysta, thirdly (and now) Spinidinium?, fourthly Volkheimeridium.  Questionable assignment: Stover and Evitt (1978, p.125).  Sluijs et al. (2009,p.47) questionably retained this species in Spinidinium.  Age: early Paleocene.

Parent: Spinidinium