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Palaeoperidinium monacanthum

"Palaeoperidinium monacanthum" Deflandre, 1936b, p.176-177, pl.5, fig.10.

TYPE: Holotype: Deflandre, 1935, pl.6, fig.1; Deflandre, 1936b, pl.5, fig.10; lost according to Jan du Chêne et al. (1986a, p.48).

STATUS: Name not validly published: generic name not validly published until 1967.

HISTORY: NOW: Apteodinium?. Originally Palaeoperidinium (name not validly published), subsequently Gonyaulacysta, thirdly Millioudodinium, fourthly Apteodinium, fifthly (and now) Apteodinium?.

COMMENTS: This name was not validly published in Deflandre (1935, p.227-228), since the genus Palaeoperidinium was not validly published until 1967 and, additionally, since that author did not provide a description.

AGE: Senonian.


Infraspecific taxa:


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