Wu, M. & Gao, L. (2010). A review of the genus Pupopsis Gredler, 1898 (Gastropoda: Stylommatophora: Enidae), with the descriptions of eight new species from China. Zootaxa. 2725: 1–27.
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Wu, M. & Gao, L.
2010
A review of the genus Pupopsis Gredler, 1898 (Gastropoda: Stylommatophora: Enidae), with the descriptions of eight new species from China