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Appendix A

Baltisphaeridium triangulatum

"Baltisphaeridium triangulatum" Gerlach, 1961, p.194-195, pl.29, fig.1.

EMENDATION: Sarjeant, 1984b, p.82-83, as Achomospahera triangulata.

TYPE: Holotype: Gerlach, 1961, pl.29, fig.1; Sarjeant, 1984b, pl.1, figs.4-5.

HISTORY: NOW: Achomosphaera. Originally Baltisphaeridium, subsequently (and now) Achomosphaera.

AGE: mid Oligocene-mid Miocene.


Infraspecific taxa:


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