Polysphaeridium congregatum (Stover, 1977, p.79, pl.3, figs.39-44) Bujak et al., 1980, p.34.
TYPE: Holotype: Stover, 1977, pl.3, figs.39-42. HISTORY: Originally Hemicystodinium, subsequently (and now) Polysphaeridium. AGE: mid Oligocene.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |