Order Carnivora Author W. Christopher Wozencraft text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 279 348 book chapter http://doi.org/10.5281/zenodo.7359191 1-56098-217-9 7359191 Leptonychotes Gill, 1872 . Smithson. Mise. Coll., 11:70 . TYPE SPECIES: Otaria weddellii Lesson, 1826 , by monotypy. COMMENTS: Replacement name for Leptonyx Gray, 1837 , which is preoccupied by Leptonyx Swainson, 1821 .