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Appendix A

Baltisphaeridium lucidum

"Baltisphaeridium lucidum" (Deunff, 1959, p.25-26, pl.9, figs.80,82-83,85-89) Downie and Sarjeant, 1965, p.92.

TYPE: Holotype: Deunff, 1959, pl.9, fig.82.

HISTORY: NOW: Micrhystridium (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Solisphaeridium (Appendix A), fourthly (and now) Micrhystridium (Appendix A).

COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.90), since these authors did not fully reference the basionym.

AGE: Ordovician (Caradoc).


Infraspecific taxa:


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