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Appendix A

Baltisphaeridium claviculorum

"Baltisphaeridium claviculorum" (Deflandre, 1939a, p.191-192, pl.10, fig.4) Downie and Sarjeant, 1965, p.88.

EMENDATION: Sarjeant, 1968, p.223, as Solisphaeridium claviculorum.

TYPE: Holotype: Deflandre, 1939a, pl.10, fig.4.

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.91), since these authors did not fully reference the basionym.

AGE: Late Jurassic.


Infraspecific taxa:


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