Xuidinium laevigatum
From dinoflaj3
*laevigatum Mao Shaozhi and Norris, 1988, p.54, pl.16, figs.7–11. Holotype: Mao Shaozhi and Norris, 1988, pl.16, fig.10; Fensome et al., 1995, fig.3 — p.1593. Age: late Paleocene.
Parent: Xuidinium