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Appendix A

Baltisphaeridium robustum

"Baltisphaeridium robustum" (Sannemann, 1955, p.331, pl.1, figs.6,8-9; pl.6, figs.7-9; text-figs.13,14a-c) Downie and Sarjeant, 1965, p.95.

TYPE: Holotype: Sannemann, 1955, pl.6, fig.7.

STATUS: Combination illegitimate - senior homonym: Baltisphaeridium robustum Eisenack, 1963b, an acritarch species.

HISTORY: NOW: Aldridgeisphaera? (Appendix A). Originally Hystrichosphaeridium, subsequently Baltisphaeridium (combination illegitimate), thirdly Multiplicisphaeridium (Appendix A), fourthly (and now) Aldridgeisphaera? (Appendix A).

JUNIOR HOMONYM: Baltisphaeridium robustum Yin Leiming in Chen Junyuan et al., 1985, an acritarch species.

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

AGE: Devonian (Late Givetian).


Infraspecific taxa:


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