Heterosphaeridium verdieri
From dinoflaj2
verdieri Yun Hyesu, 1981, p.48, pl.3, figs.3,5. Holotype: Yun Hyesu, 1981, pl.3, fig.5; Fensome et al., 1991, fig.2 - p.767; Fauconnier and Masure, 2004, pl.37, figs.4-5. Age: Early Santonian.
Parent: Heterosphaeridium