Corculodinium inaffectum
From dinoflaj3
inaffectum (Drugg, 1978, p.68, pl.3, figs.10–12) Courtinat, 2000, p.173. Holotype: Drugg, 1978, pl.3, fig.10. Originally Geiselodinium, subsequently Subtilisphaera, thirdly Subtilisphaera?, fourthly (and now) Corculodinium. Taxonomic junior synonym: Geiselodinium paeminosum, according to Courtinat (2000, p.173). Age: early Kimmeridgian.