Petaloferidium borracherosum Appendix A
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borracherosum (Cramer, 1964, p.289, pl.1, fig.11; text-fig.16, no.6) Sarjeant and Vavrdova, 1997, p.29. Holotype: Cramer, 1964, pl.1, fig.11. Originally Baltisphaeridium (Appendix A), subsequently Multiplicisphaeridium (Appendix A), thirdly Hystrichosphaeridium (combination not validly published), fourthly (and now) Petaloferidium. Age: Silurian (Ludlow).
Parent: Petaloferidium_Appendix A