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Cleistosphaeridium elegans
Cleistosphaeridium elegans, He Chengquan, 1991, p.141-142, pl.24, figs.5-6; text-fig.27.
Name illegitimate - senior homonym: Cleistosphaeridium elegans He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989. Substitute name: Cleistosphaeridium xinjiangense. NOW Impletosphaeridium xinjiangense. Originally Cleistosphaeridium elegans He Chengquan, 1991 (name illegitimate), subsequently Cleistosphaeridium xinjiangense, thirdly (and now) Impletosphaeridium xinjiangense.
Holotype: He Chengquan, 1991, pl.24, fig.5.
Age: Paleocene.
Name illegitimate - senior homonym: Cleistosphaeridium elegans He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al., 1989. Substitute name: Cleistosphaeridium xinjiangense. NOW Impletosphaeridium xinjiangense. Originally Cleistosphaeridium elegans He Chengquan, 1991 (name illegitimate), subsequently Cleistosphaeridium xinjiangense, thirdly (and now) Impletosphaeridium xinjiangense.
Holotype: He Chengquan, 1991, pl.24, fig.5.
Age: Paleocene.