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Appendix A

Baltisphaeridium longifurcatum

"Baltisphaeridium longifurcatum" (Firtion, 1952, p.157-158, pl.9, fig.1; text-figs.1H-M) Downie and Sarjeant, 1965, p.92.

TYPE: Holotype: Firtion, 1952, pl.9, fig.1.

HISTORY: NOW: Surculosphaeridium?. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Surculosphaeridium, fourthly (and now) Surculosphaeridium?.

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

AGE: Cenomanian.


Infraspecific taxa:


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