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Appendix A

Micrhystridium stimuliferum

Micrhystridium stimuliferum (Deflandre, 1939a, p.192, pl.10, fig.10) Sarjeant and Stancliffe, 1994, p.18.

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

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

COMMENTS: This combination was not validly published in Cramer and Diez (1979, p.52) since these authors did not fully reference the basionym.

AGE: Late Jurassic.


Infraspecific taxa:


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