Hystrichosphaeridium spiciferum
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"spiciferum" Deunff, 1955, p.146, pl.3, fig.1; text-fig.26. Holotype: Deunff, 1955, pl.3, fig.1. NOW Stellechinatum (Appendix A). Originally Hystrichosphaeridium, subsequently Veryhachium (combination not validly published; Appendix A), thirdly Baltisphaeridium (Appendix A), fourthly Evittia Brito (combination not validly published; Appendix A), fifthly Multiplicisphaeridium (Appendix A), sixthly (and now) Stellechinatum (Appendix A). Age: Middle Devonian.
Parent: Hystrichosphaeridium