Downiesphaeridium armatum

armatum (Deflandre, 1937b, p.76–77, pl.16 [al. pl.13], figs.6–7) Islam, 1993, p.84.  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.  Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium, fourthly (and now) Downiesphaeridium.  Age: late Senonian.

Parent: Downiesphaeridium