Hylonycteris underwoodi (bat)
Mass: 7.8 g based on Chávez and Ceballos 2002, Jones Jr 1964, Gardner et al. 1970 and Estrada et al. 1993
Latitudinal range: 17.5° to 18.4°Habitats: tropical/subtropical moist broadleaf forest (3)
onlyFound in 3 samples
Mexico: Los Tuxtlas Biological Research Station (forest fragment bats), Los Tuxtlas (forest, 1990 - 1992), Parque Estatal La Sierra
Size measurements:
| ♀ body mass | 12 g | N = 1 | Chávez and Ceballos 2002 |
| ♀ body mass | 9.6 g | N = 1 | Jones Jr 1964 |
| ♂ body mass | 6.6 g | N = 6 | Gardner et al. 1970 |
| ♂ body mass | 8.2 g | N = 1 | Jones Jr 1964 |
| body mass | 9 g | N = 2 | Estrada et al. 1993 |
See also Hylonycteris