Baltisphaeridium striatoconum Appendix A
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"striatoconum" (Deflandre and Cookson, 1955, p.275, pl.2, fig.10; text-fig.36) Downie and Sarjeant, 1965, p.97. Holotype: Deflandre and Cookson, 1955, text-fig.36. NOW Conosphaeridium. Originally Hystrichosphaeridium, subsequently Baltisphaeridium, thirdly Litosphaeridium?, fourthly (and now) Conosphaeridium. This combination was not validly published in Downie and Sarjeant (1963, p.92), since these authors did not fully reference the basionym. Age: mid Senonian.
Parent: Baltisphaeridium
