Rainha, R. N., P. A. Martinez, L. J. C. L. Moraes, K. M. S. A. Castro, A. Réjaud, A. Fouquet, R. N. Leite, M. T. Rodrigues, and F. P. Werneck. 2021. Subtle environmental variation affects phenotypic differentiation of shallow divergent treefrog lineages in Amazonia. Biological Journal of the Linnean Society. London 134:  177–197 (