Ctenomys rionegrensis Langguth and Abella 1970

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Ctenomyidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1560-1570 : 1568

publication ID	https://doi.org/ 10.5281/zenodo.7316535
persistent identifier	https://treatment.plazi.org/id/53C80210-2875-1EC8-43FC-F60CFA1360AE
treatment provided by	Guido
scientific name	Ctenomys rionegrensis Langguth and Abella 1970
status

Treatment

Ctenomys rionegrensis Langguth and Abella 1970 , Comun. Zool. Mus. Hist. Nat. Montevideo, 10 (129): 13.

Type Locality: Uruguay, Dept. Rio Negro, Las Canas, 7 km S Fray Bentos.

Vernacular Names: Rio Negro Tuco-tuco.

Distribution: Entre Rios Prov. ( Argentina) and Dept. Rio Negro ( Uruguay).

Discussion: Included in minutus by Redford and Eisenberg (1992) but it is distinct based on cranial ( Langguth and Abella, 1970), penial, and sperm morphology ( Altuna and Lessa, 1985). The relationship with the four subspecies of minutus from Entre Rio Province named without describtion by Contreras and Contreras (1984) is unknown. Karyotype has 2n=48, 50, 52, or 56; FN=68-70, 72, 74, or 80 ( Reig et al., 1992).