Hystrichosphaeridium spiciferum
From dinoflaj2
"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: Mid Devonian.
Parent: Hystrichosphaeridium
