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Impletosphaeridium tribuliferum

Impletosphaeridium tribuliferum (Sarjeant, 1962a, p.487-488, pl.70, fig.4; text-figs.6c,7) Islam, 1993, p.87.

TYPE: Holotype: Sarjeant, 1962a, pl.70, fig.4.

HISTORY: Originally Baltisphaeridium (Appendix A), subsequently Cleistosphaeridium, thirdly Cleistosphaeridium?, fourthly (and now) Impletosphaeridium.

AGE: Oxfordian.


Infraspecific taxa:


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