"Bipolaribucina conicosa" Jiabo, 1978, p.57, pl.29, figs.4-5.
TYPE: Holotype: Jiabo, 1978, pl.29, fig.4. HISTORY: NOW: Impletosphaeridium. Originally Bipolaribucina, subsequently (and now) Impletosphaeridium. AGE: Early Tertiary.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |