Achomosphaera pachyderma
From dinoflaj2
pachyderma Heilmann-Clausen in Heilmann-Clausen and Thomsen, 1995, p.287-288, pl.10, figs.5-10. Holotype: Heilmann-Clausen and Thomsen, 1995, pl.10, figs.5-6. Age: Early Aptian.
Parent: Achomosphaera
