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Diconodinium biconicum
From Fensome et al., 2019:
Diconodinium 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.
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Diconodinium 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.
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