Tetranguladinium opimum He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989, p.71, pl.20, fig.18.
TYPE: Holotype: He Chengquan et al., 1989, pl.20, fig.18. AGE: Early Tertiary.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |