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R.J. Silva, P. Baldassin, G.K. González, D.T.P. Sakiyama, U.L. Lavor, M.R. Werneck, H. Gallo. "Proleptus acutus Dujardin, 1845 (Nematoda, Physalopteridae) parasite of rays Zapteryx brevirostris Müller & Henle, 1841 (Rhinobatiformes, Rhinobatidae) in Brazil." Arquivo Brasileiro de Medicina Veterinária e Zootecnia (2008) 1573-1575