Habitats: desert/xeric shrubland (2), tropical/subtropical dry broadleaf forest (4), temperate savanna (2), tropical/subtropical moist broadleaf forest (1)
Found in 18 samples
Mexico: Atotonilco de Campa (Sherman traps, desert-shrub), El Rancho (rodents), Huamuchil (rodents), Misantla (small mammals, dry season), Chamela Biological Station, Cuauhtémoc, Playa de Oro, Cueva de Abra (Late Pleistocene)
United States: Salado Creek, Cross Bar Cooperative Management Area, Zesch Cave (Late Pleistocene), Cueva Quebrada (Late Pleistocene), Mescal Cave (Pleistocene - Holocene), Schulze Cave (layer C1) (Late Pleistocene), Schulze Cave (layer C2) (Late Pleistocene), Inglis 1C (Early Pleistocene), Wolf Ranch (Late Pliocene), Beck Ranch (Early Pliocene)
See also Baiomys brachygnathus, Baiomys minimus, Baiomys musculus, Baiomys rexroadi, Baiomys sp., Baiomys taylori