Authority citation: Thomas, O. 1906-12-01. Notes on South-American rodents. Annals and Magazine of Natural History (7)18(108):442-448.
Authority publication link: https://www.biodiversitylibrary.org/page/19366707
Original name as described: Holochilus chacarius
Nominal names: balnearum O. Thomas, 1906 | chacarius O. Thomas, 1906
Other common names: Chaco Marsh Rat
Taxonomy
Subclass: Theria -- Infraclass: Placentalia -- Order: Rodentia -- Family: Cricetidae -- Subfamily: Sigmodontinae -- Tribe: Oryzomyini
Type specimen voucher catalogue number: BMNH:Mamm:1901.3.11.2
Type locality: "Chaco 1 league [= 5.6 km] N.W. of Concepcion [Concepción], Paraguay."
Country distribution (coarse map shown below; most species exist in only part of countries): Bolivia (BOL) | Paraguay (PRY) | Brazil (BRA) | Argentina (ARG)
Species Status: This species is currently living, it lives in wild habitats, its taxonomic status is currently accepted, and it is listed in MSW3 2005.
IUCN Red List of Threatened Species status: Least concern
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