Souto, P.M., Da-Silva, E.R. & Nessimian, J.L. (2013) Description of the nymph of Massartella alegrettae Ulmer, 1943 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) with a key to Massartella Lestage, 1930 nymphs. Zootaxa, 3681 (5), 583–588.