Micrhystridium claviculorum Appendix A

claviculorum (Deflandre, 1939a, p.191–192, pl.10, fig.4) Sarjeant and Stancliffe, 1994, p.16.  Emendation: Sarjeant, 1968, p.223, as Solisphaeridium claviculorum.  Holotype: Deflandre, 1939a, pl.10, fig.4.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Solisphaeridium (Appendix A), fourthly (and now) Micrhystridium.  Age: Late Jurassic.

Parent: Micrhystridium_Appendix A