Cleistosphaeridium aciculare

"?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