Hystrichosphaeridium scissospinum
From dinoflaj2
"scissospinum" Yun Hyesu, 1981, p.32-33, pl.16, figs.3,7-8,10; text-figs.8a-b. Holotype: Yun Hyesu, 1981, pl.16, fig.10; text-figs.8a-b; Fensome et al., 1991, figs.3-5 - p.731; Fauconnier and Masure, 2004, pl.74, figs.4-6. NOW Surculosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Surculosphaeridium. Age: Early Santonian.
Parent: Hystrichosphaeridium