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Caetano, C.H.S. and Absalão, R.S. 2005. A new species of the genus Polyschides Pilsbry & Sharp, 1898 (Mollusca, Scaphopoda, Gadilidae) from Brazilian waters. Zootaxa. 871, 1 (Feb. 2005), 1–10. DOI:https://doi.org/10.11646/zootaxa.871.1.1.