Beichman AC, Koepfli KP, Li G, Murphy W, Dobrynin P, Kliver S, Tinker MT, Murray MJ, Johnson J, Lindblad-Toh K, Karlsson EK, Lohmueller KE, Wayne RK. Aquatic Adaptation and Depleted Diversity: A Deep Dive into the Genomes of the Sea Otter and Giant Otter. Mol Biol Evol. 2019 12 01; 36(12):2631-2655.