Sentusidinium biornatum subsp. conispiculum
From dinoflaj2
"subsp. conispiculum" Liu Zhili and Zheng Yuefang in Liu Zhili et al., 1992, p.84-85, pl.9, figs.10-11. Holotype: Liu Zhili et al., 1992, pl.9, fig.11. NOW Batiacasphaera biornata subsp. conispicula. Originally Sentusidinium biornatum subsp. conispiculum, subsequently (and now) Batiacasphaera biornata subsp. conispicula. Age: early Tertiary. Parent: Sentusidinium biornatum