Downiesphaeridium multispinosum
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multispinosum (Singh, 1964, p.141-142, pl.20, figs.1-2) Islam, 1993, p.84. Holotype: Singh, 1964, pl.20, fig.1; Fauconnier and Masure, 2004, pl.23, fig.10. NOW Cometodinium. Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium, thirdly Cleistosphaeridium?, fourthly Downiesphaeridium, fifthly (and now) Cometodinium. Age: Mid Albian-Early Cenomanian.
Parent: Downiesphaeridium
