Isothrix sinnamariensis Vie et al. 1996
Isothrix sinnamariensis Vie et al. 1996, Mammalia, 60: 395.
Type Locality: French Guiana, along the Sinnamary River, 21 km upstream of the Petit Saut Dam (4 o 56’80"N, 53 o 01’90"W) .
Vernacular Names: Sinnamary Brush-tailed Rat.
Distribution: Known only from the vicinity of the type locality.
Conservation: IUCN – Data Deficient.
Discussion: Karyotype has 2n=28 and FN=42.