Scapteromys tumidus Waterhouse 1837

Scapteromys tumidus Waterhouse 1837, Proc. Zool. Soc. Lond., 1837: 15.

Type Locality: Uruguay, Maldonado Dept., Maldonado.

Vernacular Names: Uruguay Swamp Rat.

Distribution: Southernmost Brazil (Rio Grande do Sul) and Uruguay.

Conservation: IUCN – Lower Risk (lc).

Discussion: Distribution and morphological identity reviewed by Massoia and Fornes (1964) and Hershkovitz (1966 c), including aquaticus . Review of museum specimens indicates that only a single species, S. tumidus, is present in Uruguay (González, 1994). Also see remarks under S. aquaticus .