Hystrichosphaeridium claviculorum
From dinoflaj2
"?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
