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