Canningia retirugosa
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"retirugosa" He Chengquan, 1991, p.56, pl.8, fig.11. Holotype: He Chengquan, 1991, pl.8, fig.11. NOW Kallosphaeridium. Originally Canningia; subsequently (and now) Kallosphaeridium. Age: Late Cretaceous.
Parent: Canningia