Kallosphaeridium retirugosum
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retirugosum (He Chengquan, 1991, p.56, pl.8, fig.11) He Chengquan et al., 2009, p.164. Holotype: He Chengquan, 1991, pl.8, fig.11. Originally Canningia; subsequently (and now) Kallosphaeridium. Age: Late Cretaceous.
Parent: Kallosphaeridium