Ferrara, C.R.; R.C. Vogt; R.S. Sousa-Lima; B.M.R. Tardio & V.C.D. Bernardes (2014). "Sound Communication and Social Behavior in an Amazonian River Turtle (Podocnemis expansa)". Herpetologica. 70 (2): 149–156. doi:10.1655/HERPETOLOGICA-D-13-00050R2. S2CID85899110.
Aguiar, J.C.; E.A. Adriano & P.D. Mathews (2017). "Morphology and molecular phylogeny of a new Myxidium species (Cnidaria: Myxosporea) infecting the farmed turtle Podocnemis expansa (Testudines: Podocnemididae) in the Brazilian Amazon". Parasitology International. 66 (1): 825–830. doi:10.1016/j.parint.2016.09.013. PMID27693559.
Aguiar, J.C.; E.A. Adriano & P.D. Mathews (2017). "Morphology and molecular phylogeny of a new Myxidium species (Cnidaria: Myxosporea) infecting the farmed turtle Podocnemis expansa (Testudines: Podocnemididae) in the Brazilian Amazon". Parasitology International. 66 (1): 825–830. doi:10.1016/j.parint.2016.09.013. PMID27693559.
Ferrara, C.R.; R.C. Vogt; R.S. Sousa-Lima; B.M.R. Tardio & V.C.D. Bernardes (2014). "Sound Communication and Social Behavior in an Amazonian River Turtle (Podocnemis expansa)". Herpetologica. 70 (2): 149–156. doi:10.1655/HERPETOLOGICA-D-13-00050R2. S2CID85899110.