Mass: 41.1 g based on Baglan and Catzeflis 2014 and Julien-Laferrière 1991
Latitudinal range: -18.3° to 5.3°Habitats: tropical/subtropical dry broadleaf forest (3), tropical/subtropical moist broadleaf forest (5), tropical/subtropical savanna (1)
Found in 9 samples
Bolivia: El Refugio Huanchaca Biological Station
Brazil: Pinkaití Research Station (ground), Alta Floresta (Sherman traps), Emas National Park (live traps), Fazenda Santa Fé, Reserva Ecológica Michelin (floresta)
French Guiana: Domaine Experimental Paracou (station 5), Trois-Sauts
Peru: Reserva Cuzco Amazónico (1990 snap traps)
| body mass | 41 g | N = 39 | Baglan and Catzeflis 2014 |
| body mass | 45 g | N = 1 | Julien-Laferrière 1991 |
| ♂ condylobasal length | 36.2 mm | N = 1 | Thomas 1924 |
| ♂ ear length | 25 mm | N = 1 | Thomas 1924 |
| ♂ head and body length | 122 mm | N = 1 | Tate 1931 |
| ♂ head and body length | 135 mm | N = 1 | Tate 1931 |
| ♂ head and body length | 130 mm | N = 1 | Thomas 1924 |
| ♂ hind foot length | 22 mm | N = 1 | Tate 1931 |
| ♂ hind foot length | 24 mm | N = 1 | Tate 1931 |
| ♂ hind foot length | 21 mm | N = 1 | Thomas 1924 |
| ♂ skull length | 37 mm | N = 1 | Thomas 1924 |
| ♂ skull width | 19.9 mm | N = 1 | Tate 1931 |
| ♂ skull width | 21.1 mm | N = 1 | Tate 1931 |
| ♂ skull width | 20 mm | N = 1 | Thomas 1924 |
| ♂ tail length | 184 mm | N = 1 | Tate 1931 |
| ♂ tail length | 192 mm | N = 1 | Tate 1931 |
| ♂ tail length | 172 mm | N = 1 | Thomas 1924 |
| ♂ upper tooth row length | 14 mm | N = 1 | Thomas 1924 |
See also Marmosa, Marmosa andersoni, Marmosa constantiae, Marmosa demerarae, Marmosa lepida, Marmosa mexicana, Marmosa paraguayana, Marmosa regina, Marmosa robinsoni, Marmosa sp., Marmosa waterhousei