Surculosphaeridium spinicongregatum
From dinoflaj2
spinicongregatum Yun Hyesu, 1981, p.40, pl.16, figs.2,6. Holotype: Yun Hyesu, 1981, pl.16, fig.6; Fensome et al., 1991, fig.2 - p.753; Fauconnier and Masure, 2004, pl.74, fig.7. Age: Early Santonian.
Parent: Surculosphaeridium
