Cleistosphaeridium aciculare
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"?aciculare" Davey, 1969a, p.158, pl.6, figs.11–12. Holotype: Davey, 1969a, pl.6, figs.11–12; Fauconnier and Masure, 2004, pl.23, fig.9. NOW Downiesphaeridium?. Originally Cleistosphaeridium, subsequently Downiesphaeridium, thirdly (and now) Downiesphaeridium?. Questionable assignment: Davey (1969a, p.158). Age: Albian–Cenomanian.
Parent: Cleistosphaeridium