Diconodinium biconicum

biconicum (Jin Guangxing, He Chengquan and Zhu Shenzhao in He Chengquan et al., 1989, p.62, pl.7, figs.1–6; text-fig.9) Mao Shaozhi et al., 1995, p.53.  Holotype: He Chengquan et al., 1989, pl.7, fig.6; text-fig.9.  Originally Phthanoperidinium, subsequently (and now) Diconodinium.  Age: Early Tertiary.

Parent: Diconodinium