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Achomosphaera malleofera
From Fensome et al., 2019:
Achomosphaera? 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.
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Achomosphaera? 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.
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