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Polizei, T.T.S. and Barclay, M.V.L. 2019.

First records of the genera Neocylloepus and Pilielmis (Coleoptera: Elmidae: Elminae) from Venezuela, with the description of Pilielmis shepardi sp. nov.

. Zootaxa. 4688, 2 (Oct. 2019), 282–288. DOI:https://doi.org/10.11646/zootaxa.4688.2.8.