Order Rodentia - Suborder Hystricognathi Author Charles A. Woods text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 771 806 book chapter http://doi.org/10.5281/zenodo.7353083 1-56098-217-9 7353083 Geocapromys thoracatus (True, 1888) . Proc. U.S. Natl. Mus. 11:469 . TYPE LOCALITY: "Little Swan Island, one of two small islands lying at the entrance of the Gulf of Honduras " . DISTRIBUTION: Little Swan Island. STATUS: Recently Extinct. COMMENTS: Sometimes included as a subspecies of G. brownii ; see Mohr (1939:77) , Hall (1981:866) , and Varona (1974:67) . Morgan (1985) reconfirmed its status as a distinct species. Clough (1976) stated that thoracatus became extinct in 1950s, possibly as a result of introduced cats on the island. Reviewed by Morgan (1989, Mammalian Species, 341).