Zygodontomys brevicauda (rodent)
Mass: 57.4 g based on Baglan and Catzeflis 2014 and Voss 1992
Latitudinal range: 8.4° to 9.8°Habitats: tropical/subtropical moist broadleaf forest (2), tropical/subtropical savanna (1)
Found in 4 samples
Colombia: San Marcos (rural), NecoclĂ (rural)
Venezuela: Fundo Pecuario Masaguaral, El Breal de Orocual (ORS20) (Late Pleistocene)
Size measurements:
| body mass | 58 g | N = 52 | Baglan and Catzeflis 2014 |
| body mass | 56.7 g | N = 46 | Voss 1992 |
| ♀ ear length | 15 mm | N = 1 | Allen 1899 |
| ♂ ear length | 17.7 mm | N = 1 | Thomas 1899 |
| ♂ head and body length | 110 mm | N = 1 | Thomas 1899 |
| ♀ hind foot length | 27 mm | N = 1 | Allen 1899 |
| ♀ hind foot length | 25.7 mm | N = 3 | Allen 1899 |
| ♀ hind foot length | 27 mm | N = 5 | Allen 1899 |
| ♂ hind foot length | 26.5 mm | N = 5 | Allen 1899 |
| ♂ hind foot length | 28 mm | N = 13 | Allen 1899 |
| ♂ hind foot length | 20.6 mm | N = 1 | Thomas 1899 |
| ♀ skull length | 31 mm | N = 1 | Allen 1899 |
| ♂ skull length | 30 mm | N = 1 | Thomas 1899 |
| ♀ skull width | 16 mm | N = 1 | Allen 1899 |
| ♂ skull width | 15 mm | N = 1 | Thomas 1899 |
| ♀ tail length | 100 mm | N = 1 | Allen 1899 |
| ♀ tail length | 92 mm | N = 3 | Allen 1899 |
| ♀ tail length | 89 mm | N = 5 | Allen 1899 |
| ♂ tail length | 97.6 mm | N = 5 | Allen 1899 |
| ♂ tail length | 103 mm | N = 13 | Allen 1899 |
| ♂ tail length | 88 mm | N = 1 | Thomas 1899 |
| ♀ total body length | 229 mm | N = 1 | Allen 1899 |
| ♀ total body length | 220 mm | N = 3 | Allen 1899 |
| ♀ total body length | 233 mm | N = 5 | Allen 1899 |
| ♂ total body length | 230 mm | N = 5 | Allen 1899 |
| ♂ total body length | 253 mm | N = 13 | Allen 1899 |
| ♀ upper tooth row length | 4.4 mm | N = 1 | Allen 1899 |
| ♂ upper tooth row length | 4.2 mm | N = 1 | Thomas 1899 |
See also Zygodontomys