Cleistosphaeridium armatum

"armatum" (Deflandre, 1937b, p.76-77, pl.16 (al. pl.13), figs.6-7) Davey, 1969a, p.153.  Emendation: Davey, 1969a, p.153, as Cleistosphaeridium armatum.  Holotype: Deflandre, 1937b, pl.16 (al. pl.13), fig.6; Fauconnier and Masure, 2004, pl.23, figs.1-3.  NOW Downiesphaeridium.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridiium.  Age: late Senonian.

Parent: Cleistosphaeridium