Surculosphaeridium belowii
From dinoflaj3
belowii Yun Hyesu, 1981, p.40–41, pl.16, figs.5,12; text-figs.11a–b. Holotype: Yun Hyesu, 1981, pl.16, fig.5; text-figs.11a–b; Fensome et al., 1991, figs.2–4 — p.587. Age: early Santonian.
Parent: Surculosphaeridium