Bassariscus astutus (ringtail)
Mass: 949.0 g based on Harrison 2012
Latitudinal range: 17.8° to 35.5°Habitats: tropical/subtropical dry broadleaf forest (5), temperate broadleaf/mixed forest (1), tropical/subtropical coniferous forest (2)
Found in 11 samples
Mexico: La Reserva Natural Sierra Nanchititla, Huasabas-Sahuaripa Region, Ajos, Madera West, San Juan Bautista Cuicatlán (lluvias), San Juan Bautista Cuicatlán (secas), Xalapa
United States: Davis Mountain Preserve, Papago Springs Cave (Late Pleistocene), Cueva Quebrada (Late Pleistocene), Mescal Cave (Pleistocene - Holocene)
Size measurements:
| ♀ body mass | 900 g | N = 9 | Harrison 2012 |
| ♂ body mass | 1000 g | N = 9 | Harrison 2012 |
| ♀ ear length | 47 mm | N = 9 | Harrison 2012 |
| ♂ ear length | 48 mm | N = 9 | Harrison 2012 |
| ♀ head and body length | 378 mm | N = 9 | Harrison 2012 |
| ♂ head and body length | 394 mm | N = 9 | Harrison 2012 |
| ♀ hind foot length | 63 mm | N = 9 | Harrison 2012 |
| ♂ hind foot length | 66 mm | N = 9 | Harrison 2012 |
| ♀ tail length | 367 mm | N = 9 | Harrison 2012 |
| ♂ tail length | 375 mm | N = 9 | Harrison 2012 |
See also Bassariscus, Bassariscus casei, Bassariscus ogallalae, Bassariscus sumichrasti