Canningia pentagona
From dinoflaj3
"pentagona" He Chengquan, 1991, p.56, pl.9, figs.13–14. Holotype: He Chengquan, 1991, pl.9, fig.13. NOW Circulodinium. Originally Canningia, subsequently (and now) Circulodinium. Age: Late Cretaceous.
Parent: Canningia