Impletosphaeridium clavulum (Davey, 1969a, p.154-155, pl.6, figs.9-10) Islam, 1993, p.85.
TYPE: Holotype: Davey, 1969a, pl.6, fig.9. HISTORY: Originally Cleistosphaeridium polypes var. clavulum, subsequently Cleistosphaeridium polypes subsp. clavulum, thirdly Impletosphaeridium polypes subsp. clavulum, fourthly Bacchidinium polypes subsp. clavulum, fifthly Cleistosphaeridium clavulum, sixthly (and now) Impletosphaeridium clavulum. AGE: Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |