Baltisphaeridium robustum Sannemann 1955 Appendix A

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"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.  Holotype: Sannemann, 1955, pl.6, fig.7.  Combination illegitimate — senior homonym: Baltisphaeridium robustum Eisenack, 1963b, an acritarch species.  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.  This combination was not validly published in Downie and Sarjeant (1963), since these authors did not fully reference the basionym.  Age: Devonian (late Givetian).

Parent: Baltisphaeridium_Appendix A

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