Galewski, Thomas; Mauffrey, Jean-François; Leite, Yuri L. R.; Patton, James L.; Douzery, Emmanuel J. P. (2005). "Ecomorphological diversification among South American spiny rats (Rodentia; Echimyidae): a phylogenetic and chronological approach". Molecular Phylogenetics and Evolution. 34 (3): 601–615. doi:10.1016/j.ympev.2004.11.015. PMID15683932.
Upham, Nathan S.; Patterson, Bruce D. (2012). "Diversification and biogeography of the Neotropical caviomorph lineage Octodontoidea (Rodentia: Hystricognathi)". Molecular Phylogenetics and Evolution. 63 (2): 417–429. doi:10.1016/j.ympev.2012.01.020. PMID22327013.
Woods, Charles A.; Contreras, Luis; Willner-Chapman, Gale; Whidden, Howard P. (1992). "Myocastor coypus"(PDF). Mammalian Species. 398: 1–8. doi:10.2307/3504182. Diarkibkan daripada yang asal pada 2017-10-08. Dicapai pada 2021-03-22.CS1 maint: bot: original URL status unknown (link)
Woods, Charles A.; Contreras, Luis; Willner-Chapman, Gale; Whidden, Howard P. (1992). "Myocastor coypus"(PDF). Mammalian Species. 398: 1–8. doi:10.2307/3504182. Diarkibkan daripada yang asal pada 2017-10-08. Dicapai pada 2021-03-22.CS1 maint: bot: original URL status unknown (link)
Lyon, W. J.; Milliet, J. B. (2000). "Microbial Flora Associated with Louisiana Processed Frozen and Fresh Nutria (Myocastor coypus) Carcasses". Journal of Food Science. 65 (6): 1041–1045. doi:10.1111/j.1365-2621.2000.tb09414.x.
Capel-Edwards, Maureen (1967). "Foot-and-mouth disease in Myocastor coypus". Journal of Comparative Pathology. 77 (2): 217–221. doi:10.1016/0021-9975(67)90014-X. PMID4291914.
Doncaster, C. P.; Micol, T. (1990). "Response by coypus to catastrophic events of cold and flooding". Ecography. 13 (2): 98–104. doi:10.1111/j.1600-0587.1990.tb00594.x.
Hillemann, Howard H.; Gaynor, Alta I.; Stanley, Hugh P. (1958). "The genital systems of nutria(Myocastor coypus)". The Anatomical Record. 130 (3): 515–531. doi:10.1002/ar.1091300304. PMID13559732. S2CID12757377.
Ojeda, R.; Bidau, C.; Emmons, L. (2016). "Myocastor coypus". Senarai Merah Spesies Terancam IUCN. 2016 (errata version published in 2017): e.T14085A121734257.CS1 maint: uses authors parameter (link)|volume= / |date= mismatchRalat petik: Tag <ref> tidak sah, nama "iucn" digunakan secara berulang dengan kandungan yang berbeza
Galewski, Thomas; Mauffrey, Jean-François; Leite, Yuri L. R.; Patton, James L.; Douzery, Emmanuel J. P. (2005). "Ecomorphological diversification among South American spiny rats (Rodentia; Echimyidae): a phylogenetic and chronological approach". Molecular Phylogenetics and Evolution. 34 (3): 601–615. doi:10.1016/j.ympev.2004.11.015. PMID15683932.
Upham, Nathan S.; Patterson, Bruce D. (2012). "Diversification and biogeography of the Neotropical caviomorph lineage Octodontoidea (Rodentia: Hystricognathi)". Molecular Phylogenetics and Evolution. 63 (2): 417–429. doi:10.1016/j.ympev.2012.01.020. PMID22327013.
Capel-Edwards, Maureen (1967). "Foot-and-mouth disease in Myocastor coypus". Journal of Comparative Pathology. 77 (2): 217–221. doi:10.1016/0021-9975(67)90014-X. PMID4291914.
Hillemann, Howard H.; Gaynor, Alta I.; Stanley, Hugh P. (1958). "The genital systems of nutria(Myocastor coypus)". The Anatomical Record. 130 (3): 515–531. doi:10.1002/ar.1091300304. PMID13559732. S2CID12757377.
Hillemann, Howard H.; Gaynor, Alta I.; Stanley, Hugh P. (1958). "The genital systems of nutria(Myocastor coypus)". The Anatomical Record. 130 (3): 515–531. doi:10.1002/ar.1091300304. PMID13559732. S2CID12757377.
Woods, Charles A.; Contreras, Luis; Willner-Chapman, Gale; Whidden, Howard P. (1992). "Myocastor coypus"(PDF). Mammalian Species. 398: 1–8. doi:10.2307/3504182. Diarkibkan daripada yang asal pada 2017-10-08. Dicapai pada 2021-03-22.CS1 maint: bot: original URL status unknown (link)
Woods, Charles A.; Contreras, Luis; Willner-Chapman, Gale; Whidden, Howard P. (1992). "Myocastor coypus"(PDF). Mammalian Species. 398: 1–8. doi:10.2307/3504182. Diarkibkan daripada yang asal pada 2017-10-08. Dicapai pada 2021-03-22.CS1 maint: bot: original URL status unknown (link)