Subspecies and Distribution. C. p. paca Linnaeus, 1766 — E & S Colombia, Venezuela, the Guianas, and E Brazil to Paraguay, N Argentina (Misiones and Corrientes provinces), and Uruguay. C. p. guanta Lonnberg, 1921 — W Brazil, Ecuador, Peru, and N Bolivia. C. p. mexianae Hagmann, 1908 — E Brazil, mouth of the Amazon in Para State. C. p. nelsoni Goldman, 1913 — E & S Mexico (Atlantic slope lowlands from San Luis Potosi State to Yucatan Peninsula), then through Central America to N Costa Rica. C. p. virgatus Bangs, 1902 — W Costa Rica, through Panama to N & W Colombia. It is also naturally present in Trinidad and Tobago Is (subspecies unknown), but it was extinct in Tobago I long ago due to overexploitation by Amerindians. They also introduced the Lowland Paca (nominate subspecies) from Venezuela into Curacao I, the largest of the Netherlands Antilles. In the 20" century it was successfully introduced into Cuba from Mexico, so it should belong to the Mexican subspecies nelson in Cuniculidae