Tetranguladinium opimum Appendix A
From dinoflaj2
opimum He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.71, pl.20, fig.18. Holotype: He Chengquan et al., 1989, pl.20, fig.18. Age: Early Tertiary.
Parent: Tetranguladinium
