Litosphaeridium striatoconum

"?striatoconum" (Deflandre and Cookson, 1955, p.275, pl.2, fig.10; text-fig.36) Sarjeant, 1969, p.14.  Holotype: Deflandre and Cookson, 1955, text-fig.36.  NOW Conosphaeridium.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Litosphaeridium?, fourthly (and now) Conosphaeridium.  Questionable assignment: Sarjeant (1969, p.14).  Age: mid Senonian.

Parent: Litosphaeridium