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Appendix A

Baltisphaeridium multispinosum

"Baltisphaeridium multispinosum" C. Singh, 1964, p.141, pl.20, figs.1-2.

TYPE: Holotype: C. Singh, 1964, pl.20, fig.1.

HISTORY: NOW: Downiesphaeridium. Originally Baltisphaeridium, subsequently Cleistosphaeridium, thirdly Cleistosphaeridium?, fourthly (and now) Downiesphaeridium.

JUNIOR HOMONYMS: Baltisphaeridium multispinosum E. Nagy, 1965 and Baltisphaeridium multispinosum Xing Yusheng, 1982, both acritarch species.

AGE: Mid Albian-Early Cenomanian.


Infraspecific taxa:


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DINOFLAJ (c) 1998