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Cleistosphaeridium ambiguum

"Cleistosphaeridium ambiguum" (Deflandre, 1937b, p.81, pl.16 [al. pl.13], figs.8-9) Jiabo, 1978, p.60.

TYPE: Holotype: Deflandre, 1937b, pl.16 (al. pl.13), fig.8.

HISTORY: NOW: Gorgonisphaeridium (Appendix A). Originally Micrhystridium (Appendix A), subsequently Cleistosphaeridium, thirdly Polysphaeridium, fourthly Chlamydophorella, fifthly Dapsilidinium, sixthly (and now) Gorgonisphaeridium (Appendix A).

SYNONYM(S): Taxonomic junior synonyms: Hystrichosphaeridium (now Sepispinula) huguoniotii, according to Clarke and Verdier (1967, p.54) and Hystrichosphaeridium (now Sepispinula) ancoriferum, both according to Yun Hyesu (1981, p.44) - however, Islam (1993, p.88) retained Hystrichosphaeridium (as and now Sepispinula) huguoniotii and Hystrichosphaeridium (as and now Sepispinula) ancoriferum.

AGE: Late Cretaceous.


Infraspecific taxa:


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