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Appendix A

Filisphaeridium stimuliferum

"Filisphaeridium stimuliferum" (Deflandre, 1939a, p.192, pl.10, fig.10) Cramer and Diez, 1979, p.52.

TYPE: Holotype: Deflandre, 1939a, pl.10, fig.10.

STATUS: Combination not validly published: basionym not fully referenced.

HISTORY: NOW: Micrhystridium (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Solisphaeridium (Appendix A), fourthly Filisphaeridium (combination not validly published), fifthly (and now) Micrhystridium (Appendix A).

AGE: Late Jurassic.


Infraspecific taxa:


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