Ovum hispidum subsp. polygonale Appendix A

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"subsp. polygonale" Eisenack, 1931, p.113, pl.4, figs.16-20; pl.5, fig.18.  Holotype: Eisenack, 1931, pl.4, fig.19, lost according to Eisenack (1959, p.199).  Neotype: Paris and Deunff, 1970, pl.1, fig.4, as Veryhachium splendens, designated by Fensome et al. (1990, p.235), which see.  Name not validly published: specific name not validly published.  NOW Polygonium polygonale (Appendix A).  Originally Ovum hispidum subsp. polygonale (name not validly published), subsequently Hystrichosphaeridium polygonale, thirdly Baltisphaeridium polygonale (Appendix A), fourthly Veryhachium polygonale (combination not validly published, Appendix A), fifthly Goniosphaeridium polygonale (Appendix A), sixthly (and now) Polygonium polygonale (Appendix A).  Taxonomic junior synonyms: Impletosphaeridium? primordiale, according to Eisenack et al. (1973, p.497-498); Veryhachium (subsequently Goniosphaeridium) splendens Paris and Deunff, 1970, an acritarch species, according to Turner (1984, p.113-114) who believed Goniosphaeridium splendens to be the senior name; Hystrichosphaeridium (subsequently Baltisphaeridium) sexradiatum Timofeev, 1959, an acritarch species, according to Eisenack (1965c, p.261).  Age: Silurian (erratic). Parent: Ovum hispidum