Order Rodentia - Family Cricetidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Chelemys megalonyx (Waterhouse 1844) [Akodon] megalonyx Waterhouse 1845 , Proc. Zool. Soc. Lond., 1844: 154 . Type Locality: Chile , Valparaíso Prov. , Lake Quintero. Vernacular Names: Large Long-clawed Akodont . Synonyms: Chelemys microtis ( Philippi 1900 ) ; Chelemys niger (Philippi 1872) ; Chelemys scalops (Gay 1847) . Distribution: C Chile , coastal region from Coquimbo Prov. south to Cautín Prov. Conservation: IUCN – Lower Risk (lc). Discussion: Tamayo and Frassinetti (1980) listed delfini (see above account) as a subspecies of C. megalonyx .