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Operculodinium charrieri

Operculodinium charrieri (Troncoso and Doubinger, 1980, p.102, pl.2, figs.7–8) Masure in Fauconnier and Masure, 2004, p.198.

Originally Impletosphaeridium, subsequently Operculodinium.
Taxonomic senior synonym: Cleistosphaeridium (now Lingulodinium) bergmannii, according to Quattrocchio and Sarjeant, 2003, p.142.
When Masure in Fauconnier and Masure (2004, p.197) proposed this combination, she was not aware of the work of Quattrocchio and Sarjeant (2003).

Holotype: Troncoso and Doubinger, 1980, pl.2, fig.7.
Age: Maastrichtian–Danian.
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