Canningia retirugosa
From dinoflaj3
"retirugosa" He Chengquan, 1991, p.56, pl.8, fig.11. Holotype: He Chengquan, 1991, pl.8, fig.11. NOW Kallosphaeridium. Originally Canningia; subsequently (and now) Kallosphaeridium. Age: Late Cretaceous.
Parent: Canningia