(1)
Laeta, M.; Souza, S. M. F. M.; Siciliano, S. Cervical Ribs and Cleft Arches in Brazilian <i>Sotalia guianensis</i>: Contribution to Comparative Studies of Skeletal Morphology in Northern and Southeastern Specimens. Lat. Am. J. Aquat. Mamm. 2010, 8, 151-165.