Palaeoperidinium primaevum
From dinoflaj2
?primaevum He Chengquan in Zheng Yahui and He Chengquan, 1984, p.98, pl.8, fig.21; pl.9, figs.5-6. Holotype: Zheng Yahui and He Chengquan, 1984, pl.8, fig.21. Questionable assignment: Evitt et al. (1998, p.48). Age: Late Cretaceous.
Parent: Palaeoperidinium
