"Cleistosphaeridium? multispinosum" (C. Singh, 1964, p.141-142, pl.20, figs.1-2) Brideaux, 1971, p.93.
TYPE: Holotype: C. Singh, 1964, pl.20, fig.1. HISTORY: NOW: Downiesphaeridium. Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium, thirdly Cleistosphaeridium?, fourthly (and now) Downiesphaeridium. Questionable assignment: Stover and Evitt (1978, p.31). AGE: Mid Albian-Early Cenomanian.
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |