Subspecies and Distribution. C.m.magellanicusBennett,1836—SChile(MagallanesRegion)andSArgentina(SantaCruzProvince). C.m.dickiOsgood,1943—RiescoI,MagallanesRegion,Chile. C.m.fueginusPhilippi,1880—N,C&ETierradelFuego. C.m.obscurusTexera,1975—SWTierradelFuegoinSofChileandArgentina. C. m. osgoodiJ. A. Allen, 1903 — SW Argentina (Chubut and Santa Cruz provinces) to S Chile (Aysén Region). in Ctenomyidae

Subspecies and Distribution. C.m.magellanicusBennett,1836—SChile(MagallanesRegion)andSArgentina(SantaCruzProvince). C.m.dickiOsgood,1943—RiescoI,MagallanesRegion,Chile. C.m.fueginusPhilippi,1880—N,C&ETierradelFuego. C.m.obscurusTexera,1975—SWTierradelFuegoinSofChileandArgentina. C. m. osgoodiJ. A. Allen, 1903 — SW Argentina (Chubut and Santa Cruz provinces) to S Chile (Aysén Region).Published as part of Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Ctenomyidae, pp. 498-534 in Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona :Lynx Edicions on page 526, DOI: 10.5281/zenodo.658817