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P. M. Souto, E. R. Da-Silva, and J. L. Nessimian, “Description of the nymph of Massartella alegrettae Ulmer, 1943 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) with a key to Massartella Lestage, 1930 nymphs”, Zootaxa, vol. 3681, no. 5, pp. 583–588, Jun. 2013.