Marmosa waterhousei (Waterhouse's mouse opossum)
Habitats: tropical/subtropical moist broadleaf forest (2)
only
Found in two samples
Peru: Reserva Nacional Allpahuayo-Mishana (Tomahawk traps), Reserva Nacional Allpahuayo-Mishana (Victor traps)
Size measurements:
| ♂ condylobasal length | 30.5 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ ear length | 22.1 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ head and body length | 140 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ hind foot length | 19.6 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ skull length | 34.0 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ skull width | 13.8 mm | N = 1 | Tamsitt and Valdivieso 1964 |
| ♂ tail length | 153 mm | N = 1 | Tamsitt and Valdivieso 1964 |
See also Marmosa, Marmosa andersoni, Marmosa constantiae, Marmosa demerarae, Marmosa lepida, Marmosa mexicana, Marmosa murina, Marmosa paraguayana, Marmosa regina, Marmosa robinsoni, Marmosa sp.