Londoño, G. Corredor; Muñoz, N. Tigreros (). „Reproduction, behaviour and biology of the Giant river otter (Pteronura brasiliensis) at Cali Zoo”. International Zoo Yearbook. 40: 360–371. doi:10.1111/j.1748-1090.2006.00360.x.
Koepfli, K.-P; Wayne, R.K. (decembrie 1998). „Phylogenetic relationships of otters (Carnivora: Mustelidae) based on mitochondrial cytochrome b sequences”. Journal of Zoology. 246 (4): 401–416. doi:10.1111/j.1469-7998.1998.tb00172.x.
Prevosti, Francisco J.; Ferrero, Brenda S. (). „A Pleistocene giant river otter from Argentina: remarks on the fossil record and phylogenetic analysis”. Journal of Vertebrate Paleontology. 28 (4): 1171–1181. Bibcode:2008JVPal..28.1171P. doi:10.1671/0272-4634-28.4.1171. hdl:11336/80190.
Marmi, Josep; Lopez-Giraldez, Juan F.; Domingo-Roura, Xavier (noiembrie 2004). „Phylogeny, evolutionary history and taxonomy of the Mustelidae based on sequences of the cytochrome b gene and a complex repetitive flanking region”. Zoologica Scripta. 33 (6): 481–499. doi:10.1111/j.0300-3256.2004.00165.x.
Franco-de-Sá, J. F. O.; Rosas, F. C. W.; Feldberg, E. (). „Cytogenetic study of the giant otter Pteronura brasiliensis Zimmermann 1780 (Carnivora, Mustelidae, Lutrinae)”. Genetics and Molecular Biology. 30 (4): 1093–1096. doi:10.1590/S1415-47572007000600011.
Prevosti, Francisco J.; Ferrero, Brenda S. (). „A Pleistocene giant river otter from Argentina: remarks on the fossil record and phylogenetic analysis”. Journal of Vertebrate Paleontology. 28 (4): 1171–1181. Bibcode:2008JVPal..28.1171P. doi:10.1671/0272-4634-28.4.1171. hdl:11336/80190.
harvard.edu
adsabs.harvard.edu
Prevosti, Francisco J.; Ferrero, Brenda S. (). „A Pleistocene giant river otter from Argentina: remarks on the fossil record and phylogenetic analysis”. Journal of Vertebrate Paleontology. 28 (4): 1171–1181. Bibcode:2008JVPal..28.1171P. doi:10.1671/0272-4634-28.4.1171. hdl:11336/80190.
Barnett, Adrian; Shapley, Rebecca; Lehman, Shawn; Henry, Everton; Benjamin, Paul (octombrie 2000). „Records of the Giant Otter, Pteronura brasiliensis, from Guyana”(PDF). IUCN Otter Specialist Group Bulletin. 17 (2): 65–74. Accesat în – via rebeccashapley.com.