Senoniasphaera rotundata
From dinoflaj3
rotundata Clarke and Verdier, 1967, p.62–63, pl.14, figs.1–3; text-fig.25. Emendation: Prince et al., 1999, p.162. Holotype: Clarke and Verdier, 1967, pl.14, fig.2. Age: Santonian–Campanian.
Infrataxon List: