Subtilisphaera inaffecta
From dinoflaj2
"?inaffecta" (Drugg, 1978, p.68, pl.3, figs.10-12) Bujak and Davies, 1983, p.163. Holotype: Drugg, 1978, pl.3, fig.10. NOW Corculodinium. Originally Geiselodinium, subsequently Subtilisphaera, thirdly Subtilisphaera?, fourthly (and now) Corculodinium. Questionable assignment: Lentin and Williams (1985, p.341). Taxonomic junior synonym: Geiselodinium paeminosum, according to Courtinat (2000, p.173). Age: Early Kimmeridgian.
Parent: Subtilisphaera