Hystrichosphaeridium claviculorum

"?claviculorum" Deflandre, 1939a, p.191–192, pl.10, fig.4.  Emendation: Sarjeant, 1968, p.233, as Solisphaeridium claviculorum.  Holotype: Deflandre, 1939a, pl.10, fig.4.  NOW Solisphaeridium (Appendix A).  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly (and now) Solisphaeridium (Appendix A).  Questionable assignment: Stover and Evitt (1978, p.56).  Age: Late Jurassic.

Parent: Hystrichosphaeridium