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INOUE, K., CUMMINGS, K.S., TIEMANN, J.S., MILLER, T.D., JOHNSON, N.A., SMITH, C.H. and RANDKLEV, C.R. 2020. A new species of freshwater mussel in the genus <em>Popenaias</em> Frierson, 1927, from the Gulf coastal rivers of central Mexico (Bivalvia: Unionida: Unionidae) with comments on the genus. Zootaxa. 4816, 4 (Jul. 2020), 457–490. DOI:https://doi.org/10.11646/zootaxa.4816.4.3.