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Operculodinium echigoense

"Operculodinium? echigoense" Matsuoka, 1983b, p.126, pl.7, figs.1,2a-b,3-5,8.

TYPE: Holotype: Matsuoka, 1983b, pl.7, fig.5; Matsuoka et al., 1997, pl.3, figs.1-3.

HISTORY: Originally Operculodinium, subsequently (and now) Operculodinium?. Questionable assignment: Mudie (1987, p.804).

SYNONYM(S): Taxonomic senior synonym: Operculodinium centrocarpum, according to Matsuoka et al. (1997, p.22).

AGE: early Mid Miocene.


Infraspecific taxa:


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DINOFLAJ (c) 1998