Exochosphaeridium robustum
From dinoflaj3
robustum Backhouse, 1988, p.85, pl.26, figs.9a–b,10a–b; pl.28, fig.7; pl.48, fig.1. Holotype: Backhouse, 1988, pl.26, figs.10a–b; Fensome et al., 1996, figs.3–4 — p.2331. Age: late Valanginian–early Barremian.
Parent: Exochosphaeridium