Micrhystridium lucidum Appendix A

lucidum (Deunff, 1959, p.25–26, pl.9, figs.80,82–83,85–89) Sarjeant and Stancliffe, 1994, p.17.  Holotype: Deunff, 1959, pl.9, fig.82.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Solisphaeridium (Appendix A), fourthly (and now) Micrhystridium.  Age: Ordovician (Caradoc).

Parent: Micrhystridium_Appendix A