"Polysphaeridium williamsii" Boltenhagen, 1977, p.41-42, pl.2, figs.6-7.
TYPE: Holotype: Boltenhagen, 1977, pl.2, fig.6. HISTORY: NOW: Impletosphaeridium. Originally Polysphaeridium, subsequently Cleistosphaeridium?, thirdly (and now) Impletosphaeridium. AGE: Cenomanian-Early Turonian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |