TYPE SPECIES: Neoreomys australis Ameghino, 1887a.
INCLUDED SPECIES: The type species, N. pinturensis Kramarz, 2006b, and possibly “ N. ” huilensis Fields, 1957.
AGE AND DISTRIBUTION: Cerro Boleadoras Formation, Santacrucian SALMA, Santa Cruz Province, Argentina; Chinches Formation, Santacrucian SALMA, San Juan Province, Argentina; Chucal Formation, Santacrucian SALMA, Arica y Parinacota Region, Chile; Galera Formation, Santacrucian SALMA, Aysén Region, Chile; Pinturas Formation, Santacrucian (“ Pinturan ”) SALMA, Santa Cruz Province, Argentina; Santa Cruz Formation, Santacrucian SALMA, Santa Cruz Province, Argentina; Colhue-Huapi Member, Sarmiento Formation, Santacrucian (“ Pinturan ”) SALMA, Chubut Province, Argentina; Cura-Mallín Formation, Santacrucian? SALMA, Biobío Region, Chile; Collón Curá Formation, Colloncuran SALMA, Chubut, Neuquén, and Río Negro provinces, Argentina; Río Mayo or Pedregoso Formation, Mayoan? SALMA, Santa Cruz or Chubut Province, Argentina; La Victoria Formation, Laventan SALMA, Huila Department, Colombia.