Vampyressa thyone (bat)
Mass: 8.0 g based on Mena 2010
Latitudinal range: -16.2° to 17.5°Habitats: tropical/subtropical dry broadleaf forest (6), tropical/subtropical moist broadleaf forest (10)
Found in 16 samples
Bolivia: Estación Biológica Tunquini
Brazil: Lake Uauaçu (terra firme, low-water), Médio Rio Teles Pires
Colombia: La Reserva Natural La Montaña del Ocaso, Veraguas
Costa Rica: Rincón de Osa
Mexico: El Rancho (bats), Lacanhá (rain forest), Lacandona (riparian mature), Lacandona (riparian pasture), El Chorro (mist nets), Parque Estatal La Sierra
Peru: Valle de Pozuzo, Parque Nacional Cerros de Amotape
Venezuela: Monumento Natural Pico Codazzi (nivel bajo), Mayorica
Size measurements:
| body mass | 8 g | N = 1 | Mena 2010 |
| ♀ condylobasal length | 16 mm | N = 1 | Thomas 1924 |
| ♀ ear length | 14 mm | N = 1 | Thomas 1924 |
| ♀ forearm length | 30.5 mm | N = 1 | Thomas 1924 |
| ♂ forearm length | 32 mm | N = 1 | Thomas 1909 |
| ♀ head and body length | 43 mm | N = 1 | Thomas 1924 |
| ♀ skull length | 17 mm | N = 1 | Thomas 1924 |
| ♂ skull length | 19 mm | N = 1 | Thomas 1909 |
| ♀ skull width | 10.3 mm | N = 1 | Thomas 1924 |
| ♂ skull width | 11 mm | N = 1 | Thomas 1909 |
| ♀ upper tooth row length | 5.6 mm | N = 1 | Thomas 1924 |
See also Vampyressa, Vampyressa pusilla