Achomosphaera danica

danica (Wetzel, 1952, p.396–397, pl.A, figs.5–6; text-fig.8) Sarjeant, 1984c, p.129, pl.1, fig.4.  Emendation: Sarjeant, 1984c, p.129–130, as Achomosphaera danica.  Holotype: Wetzel, 1952, pl.A, fig.6; Dietz et al., 1999, text-fig.6b.  Originally Areoligera, subsequently Baltisphaeridium (Appendix A), thirdly Hystrichosphaeridium, fourthly Cleistosphaeridium?, fifthly (and now) Achomosphaera.  Taxonomic senior synonym: Areoligera senonensis, according to Lejeune-Carpentier and Sarjeant (1981, p.15) — however, Sarjeant (1984c, p.129) retained Achomosphaera danica.  Age: Paleocene.

Parent: Achomosphaera