Proechimys longicaudatus (Rengger 1830)

[Proechimys] longicaudatus (Rengger 1830), Naturgesch. Saugeth. Paraguay: 236.

Type Locality: N Paraguay.

Vernacular Names: Long-tailed Spiny-rat.

Synonyms: Proechimys leucomystax Ribeiro 1914; Proechimys ribeiroi Moojen 1948; Proechimys villacauda Moojen 1948 .

Distribution: S Bolivia, N Paraguay, C Brazil.

Conservation: IUCN – Lower Risk (lc).

Discussion: Placed in longicaudatus group by Patton (1987). Formerly included brevicauda and roberti (Moojen, 1948) . Includes ribeiroi and villacauda (J. Patton in litt.). Karyotype has 2n=28 and FN=48 (Leal-Mesquita, 1991).