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Appendix A

Solisphaeridium seminudum

"Solisphaeridium? seminudum" (W. Wetzel, 1952, p.405, text-fig.26) Sarjeant, 1984a, p.143.

TYPE: Holotype: W. Wetzel, 1952, text-fig.26.

HISTORY: NOW: Micrhystridium? (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Solisphaeridium, fourthly (and now) Micrhystridium (Appendix A). Questionable assignment: Sarjeant (1984a, p.143).

AGE: Paleocene (Danian).


Infraspecific taxa:


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