"Operculodinium bergmannii" (Archangelsky, 1969a, p.414, pl.2, figs.8,11) Stover and Evitt, 1978, p.178.
TYPE: Holotype: Archangelsky, 1969a, pl.2, fig.11. HISTORY: NOW: Downiesphaeridium. Originally Cleistosphaeridium, subsequently Operculodinium, thirdly (and now) Downiesphaeridium. AGE: Eocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |