Souto, P.M., Da-Silva, E.R. and 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 (Jun. 2013), 583–588. DOI:https://doi.org/10.11646/zootaxa.3681.5.7.