Litosphaeridium striatoconum
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"?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