Cordosphaeridium erectum
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"?erectum" (Manum and Cookson, 1964, p.14, pl.3, figs.5-6) Davey and Williams, 1969, p.6. Holotype: Manum and Cookson, 1964, pl.3, fig.5. NOW Kiokansium?. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cordosphaeridium?, fourthly Cleistosphaeridium?, fifthly (and now) Kiokansium?. Questionable assignment: Davey and Williams (1969, p.6). This combination, as a questionable assignment, was not validly published in Davey and Williams (1966b, p.91), since these authors did not fully reference the basionym. Age: Albian-Turonian.
Parent: Cordosphaeridium