Achomosphaera malleofera

?malleofera (White, 1842, p.37, pl.4, div.3, fig.7) Sarjeant, 1991, p.88.  Holotype: White, 1842, pl.4, div.3, fig.7; Sarjeant, 1991, fig.4.6.  Originally Xanthidium (Appendix A), subsequently Baltisphaeridium (Appendix A), thirdly (and now) Achomosphaera?, fourthly Hystrichosphaeridium (combination not validly published).  Questionable assignment: Sarjeant (1991, p.88).  Age: Late Cretaceous.

Parent: Achomosphaera