Cleistosphaeridium aciculare
From dinoflaj2
"?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