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Appendix A

Baltisphaeridium tridactylites

"Baltisphaeridium tridactylites" (Valensi, 1955a, p.37-38, fig.1D) Downie and Sarjeant, 1965, p.97.

TYPE: Holotype: Valensi, 1955a, fig.1D.

HISTORY: NOW: Florentinia. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Hystrichokolpoma (combination not validly published), fourthly Achomosphaera, fifthly Silicisphaera, sixthly (and now) Florentinia.

COMMENTS: This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym.

AGE: Cretaceous.


Infraspecific taxa:


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