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Appendix A

Baltisphaeridium panniforme

"Baltisphaeridium panniforme" Gerlach, 1961, p.196, pl.28, fig.13.

TYPE: Holotype: Gerlach, 1961, pl.28, fig.13.

HISTORY: Originally Baltisphaeridium, subsequently Impletosphaeridium, thirdly Cleistosphaeridium.

SYNONYM(S): Taxonomic senior synonym: Hystrichosphaeridium (now Systematophora) placacanthum, according to Sarjeant (1984b, p.86-87).

AGE: mid Oligocene.


Infraspecific taxa:


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