From Fensome et al., 2019:
Geiselodinium apicidentatum (Jiabo, 1978, p.81, pl.2, fig.11) Song Zhichen and He Chengquan, 1982, p.735. Holotype: Jiabo,
1978, pl.2, fig.11. Originally Deflandrea?, subsequently (and now) Geiselodinium. Age: early Tertiary.

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