Bipolaribucina tuberculata
From dinoflaj2
"?tuberculata" Zheng Yuefang and Liu Xuexian in Liu Zhili et al., 1992, p.54, pl.12, fig.13. Holotype: Liu Zhili et al., 1992, pl.12, fig.13. NOW Distatodinium. Originally Bipolaribucina?, subsequently (and now) Distatodinium. Questionable assignment: Zheng Yuefang and Liu Xuexian in Liu Zhili et al. (1992, p.54). Age: early Tertiary.
Parent: Bipolaribucina