Hystrichosphaeridium staurasteroides
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"staurasteroides" Deflandre, 1945a, p.63-64, pl.2, figs.7-9. Emendation: Stancliffe and Sarjeant, 1994, p.234, as Veryhachium staurasteroides. Holotype: Deflandre, 1945a, pl.2, fig.7. NOW Veryhachium (Appendix A). Originally Hystrichosphaeridium, subsequently (and now) Veryhachium (Appendix A). This name was not validly published in Deflandre (1942, fig.10 - p.476). Age: Mid Silurian.
Parent: Hystrichosphaeridium