Viana, D.C., Rui, L.A., Santos, A.C. dos, Miglino, M.A., Assis Neto, A.C. de, Araujo, L.P.F., Oliveira, A.S. and Sousa, A.L. 2014. Seasonal morphological variation of the vas deferens of scorpion mud turtle (Kinosternon scorpioides). Biota Neotropica. 14, 3 (Sep. 2014).