Batiacasphaera rioultii
From dinoflaj2
"rioultii" (Sarjeant, 1968, p.231, pl.1, figs.12,22; pl.2, figs.1-2,4) Dörhöfer and Davies, 1980, p.41. Emendation: Courtinat, 1989, p.192, as Sentusidinium rioultii. Holotype: Sarjeant, 1968, pl.1, fig.22; pl.2, fig.1; Eisenack and Kjellström, 1972, p.1043, figure to left; Fensome et al., 1995, fig.1 - p.1743; Fauconnier and Masure, 2004, pl.70, fig.4. NOW Sentusidinium. Originally Tenua Eisenack, subsequently Batiacasphaera, thirdly (and now) Sentusidinium; fourthly Tenua Davey (combination illegitimate). Age: Late Callovian.
Parent: Batiacasphaera