Cyclonephelium operculatum
From dinoflaj3
?operculatum Yu Jingxian, 1982, p.252–253, pl.7, figs.20–22. Holotype: Yu Jingxian, 1982, pl.7, fig.21. Questionable assignment: Fauconnier and Londeix in Fauconnier and Masure (2004, p.147) as a problematic species. Age: Late Jurassic–Early Cretaceous.
Parent: Cyclonephelium