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