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Palaeotetradinium silicorum

From Fensome et al., 2019:
Palaeotetradinium *silicorum silicorum Deflandre, 1936b, p.189, pl.9, fig.11. Emendation: Deflandre and Sarjeant, 1970, p.4. Holotype: Deflandre, 1936b, pl.9, fig.11; Deflandre and Sarjeant, 1970, pl.1, figs.7–8. This name was not validly published in Deflandre (1934, caption to fig.6 — p.967; 1935, p.231) since no description was provided. NIA. Age: ?Senonian.

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