Achomosphaera convexa
From dinoflaj2
?convexa Sah et al., 1970, p.145-146, pl.1, figs.12-13. Holotype: Sah et al., 1970, pl.1, fig.12. Originally Achomosphaera, subsequently (and now) Achomosphaera?. Questionable assignment: Stover and Evitt (1978, p.139). Age: Late Cretaceous.
Parent: Achomosphaera
