Cynolebias parnaibensis
Costa, W.J.E.M., Ramos, T.P.A., Alexandre, L.C. & Ramos, R.T.C. (2010): Cynolebias parnaibensis, a new seasonal killifish from the Caatinga, Parnaíba River basin, northeastern Brazil, with notes on sound producing courtship behavior (Cyprinodontiformes: Rivulidae). Neotropical Ichthyology, 8 (2): 283-288.