Operculodinium charrieri
From dinoflaj2
"charrieri" (Troncoso and Doubinger, 1980, p.102, pl.2, figs.7-8) Masure in Fauconnier and Masure, 2004, p.198. Holotype: Troncoso and Doubinger, 1980, pl.2, fig.7. 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). Age: Maastrichtian-Danian.
Parent: Operculodinium