Multiplicisphaeridium borracherosum Appendix A
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"borracherosum" (Cramer, 1964, p.289, pl.1, fig.11; text-fig.16, no.6) Eisenack et al., 1973, p.543-544. Holotype: Cramer, 1964, pl.1, fig.11. NOW Petaloferidium (Appendix A). Originally Baltisphaeridium (Appendix A), subsequently Multiplicisphaeridium, thirdly Hystrichosphaeridium (combination not validly published), fourthly (and now) Petaloferidium (Appendix A). This combination was not validly published in Lister (1970, p.84) since that author did not clearly use the name Multiplicisphaeridium borracherosum. Age: Silurian (Ludlow).
Parent: Multiplicisphaeridium
