From Fensome et al., 2019:
Trithyrodinium conservatum Fensome et al., 2016b, p.74, pl.15, figs.9–14.
Holotype: Nøhr-Hansen, 2003, pl.3, fig.6; Fensome et al., 2016b, pl.15, fig.12.
Age: last occurrence, Lutetian.

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