Microsciurus flaviventer (rodent)
Abundance: 0.19%
Habitats: tropical/subtropical moist broadleaf forest (1) only
Found in one sample
Peru: Iquitos–Nauta Highway
Size measurements:
| ♂ condyloincisive length | 34 mm | N = 1 | Thomas 1914 |
| ♂ condyloincisive length | 32 mm | N = 1 | Thomas 1920 |
| ♀ ear length | 12 mm | N = 1 | Thomas 1900 |
| ♂ ear length | 15 mm | N = 1 | Thomas 1914 |
| ♂ ear length | 16 mm | N = 1 | Thomas 1920 |
| ♀ head and body length | 157 mm | N = 1 | Thomas 1900 |
| ♂ head and body length | 127 mm | N = 1 | Thomas 1920 |
| ♀ hind foot length | 34 mm | N = 1 | Thomas 1900 |
| ♂ hind foot length | 42 mm | N = 1 | Thomas 1914 |
| ♂ hind foot length | 38 mm | N = 1 | Thomas 1920 |
| ♂ skull length | 36.3 mm | N = 1 | Thomas 1920 |
| ♀ skull width | 21 mm | N = 1 | Thomas 1900 |
| ♂ skull width | 23.3 mm | N = 1 | Thomas 1914 |
| ♂ skull width | 21.7 mm | N = 1 | Thomas 1920 |
| ♂ tail length | 129 mm | N = 1 | Thomas 1920 |
| ♀ upper tooth row length | 6 mm | N = 1 | Thomas 1900 |
| ♂ upper tooth row length | 5.9 mm | N = 1 | Thomas 1920 |
See also Microsciurus