NOTA: Anteriormente Lontra longicauda annectens (Mayor), subespecie registrada en Guatemala.
Ferran, V., Vieira Figueiró, H., Silveira Trinca, Hernández-Romero, P.C., Lorenzana, G.P., Gutiérrez-Rodríguez, C., Koepfli, C.-P., Eizirik, E. (2024). Genome-wide data support recognition of an additional species of Neotropical river otter (Mammalia, Mustelidae, Lutrinae), Journal of Mammalogy, gyae009. https://doi.org/10.1093/jmammal/gyae009