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Hystrichosphaeridium striatoconum

"Hystrichosphaeridium striatoconum" Deflandre and Cookson, 1955, p.275, pl.2, fig.10; text-fig.36.

TYPE: Holotype: Deflandre and Cookson, 1955, text-fig.36.

HISTORY: NOW: Conosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Litosphaeridium?, fourthly (and now) Conosphaeridium.

COMMENTS: This name was not validly published in Deflandre and Cookson (1954, p.1236), who did not provide a description.

AGE: mid Senonian.


Infraspecific taxa:


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