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HOME --> CLASS MAMMALIA  --> ORDER RODENTIA  --> SUBORDER MYOMORPHA  --> SUPERFAMILY Muroidea  --> FAMILY Cricetidae  --> SUBFAMILY Sigmodontinae  --> GENUS Holochilus

SPECIES Holochilus chacarius

Author:Thomas, 1906.
Citation:Ann. Mag. Nat. Hist., ser. 7, 18: 446.
Common Name:Chacoan Marsh Rat
Type Locality:Paraguay, Concepción Dept., E Chaco, one "league" NW Concepción, 500 ft (152 m).
Distribution:Paraguay and NE Argentina.
Status:IUCN – Lower Risk (lc).
Comments:Considered distinct by Massoia (1980a), who treated balnearum as a synonym; Reig (1986) mentioned balnearum as another good species. Highly variable in diploid (2n = 48-56) and fundamental numbers (Nachman, 1992b; Nachman and Myers, 1989; Vidal et al., 1976). Nachman (1992a) recognized Paraguayan samples (as H. brasiliensis chacarius) as karyotypically distinguishable and specifically distinct from Argentinian populations (as H. vulpinus).



    balnearum Thomas, 1906

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