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Appendix A

Baltisphaeridium oligacanthum subsp. stella

"Baltisphaeridium oligacanthum subsp. stella" (W. Wetzel, 1952, p.403, pl.A, fig.4; text-fig.23) Downie and Sarjeant, 1965, p.93.

TYPE: Holotype: W. Wetzel, 1952, pl.A, fig.4.

HISTORY: NOW: Surculosphaeridium phoenix subsp. stella. Originally Hystrichosphaeridium oligacanthum subsp. stella, subsequently Baltisphaeridium oligacanthum subsp. stella, thirdly Cleistosphaeridium? oligacanthum subsp. stella, fourthly (and now) Surculosphaeridium phoenix subsp. stella.

ETYMOLOGY: N.I.A.

AGE: Paleocene.


Infraspecific taxa:


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