Sentusidinium brachyspinosum
From dinoflaj3
"brachyspinosum" Zheng Yuefang and Liu Xuexian in Liu Zhili et al., 1992, p.85, pl.18, figs.12–17. Holotype: Liu Zhili et al., 1992, pl.18, fig.16. NOW Batiacasphaera. Originally Sentusidinium, subsequently (and now) Batiacasphaera. Age: Early Tertiary.
Parent: Sentusidinium