From Williams et al., 2017:

[Palaeoglenodinium, Deflandre, 1935, p. 227

This name not validly published in Deflandre (1934, caption to fig.3 - p.967) since no description was provided.

Type species: Palaeoglenodinium cretaceum, Deflandre, 1935 (pl.7, figs.2–3)]

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Original description: [Deflandre, 1935]: (Translation: Stover and Evitt, 1978, p. 179):

Description:
Palaeoglenodinium comprises globular forms seemingly deprived of tabulation, and covered by well-developed aliform crests.

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Stover and Evitt, 1978, p. 179:

Comment:
The original description is based on two specimens only, and the genoholotype has a precingular archaeopyle.