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Appendix A

Ovum hispidum subsp. trifurcatum

"Ovum hispidum subsp. trifurcatum" Eisenack, 1931, p.112, pl.4, figs.21-23.

TYPE: Holotype: Eisenack, 1931, pl.4, fig.21.

STATUS: Name not validly published: specific name not validly published.

HISTORY: NOW: Peteinosphaeridium trifurcatum (Appendix A). Originally Ovum hispidum subsp. trifurcatum (name not validly published), subsequently Hystrichosphaeridium trifurcatum, thirdly Baltisphaeridium trifurcatum (Appendix A), fourthly (and now) Peteinosphaeridium trifurcatum (Appendix A).

SYNONYM(S): Taxonomic junior synonyms: Peteinosphaeridium bergstroemii Staplin et al., 1965, an acritarch species, according to Eisenack (1969a, p.254-255); Baltisphaeridium trifurcatum subsp. breviradiatum (subsequently Peteinosphaeridium breviradiatum), according to Eisenack (1969a, p.255), who considered Baltisphaeridium trifurcatum subsp. breviradiatum to be the senior name.

AGE: Ordovician (erratic).


Infraspecific taxa:


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