Achomosphaera expansa
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expansa Stover and Hardenbol, 1994, p.33-34, pl.5, figs.30a-b,31a-c; pl.6, figs.32a-b. Holotype: Stover and Hardenbol, 1994, pl.5, figs.30a-b. Age: Rupelian.
Parent: Achomosphaera