Cyclonephelium ambiguum
From dinoflaj3
?ambiguum He Chengquan, 1991, p.135, pl.28, figs.7–8. Holotype: He Chengquan, 1991, pl.28, fig.7. Questionable assignment: He Chengquan (1991, p.135). Age: Paleocene.
Parent: Cyclonephelium