Meirelles, A. C. O., Ribeiro, A. C., Silva, C. P. N. and Soares-Filho, A. A. (2010) “Records of Guiana dolphin, <i>Sotalia guianensis</i>, in the State of Ceará, Northeastern Brazil”, Latin American Journal of Aquatic Mammals, 8(1-2), pp. 97-102. doi: 10.5597/lajam00157.