"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: Go up one level. DINOFLAJ (c) 1998 |