Molossidae
- Molossinae
- Kiotomops
- Potamops
- Tomopeatinae
- Brazilian Free-tailed Bat Tadarida brasiliensis
Photo: U.S. Fish and Wildlife Service Headquarters · Public domain The Brazilian free-tailed bat has a tail tip that projects beyond the tail membrane. Groups that arrive in central Texas each spring are well documented.
- Pallas' Free-tailed Bat Molossus molossus
Photo: Gilmar R. Ferreira · CC BY-SA 4.0 Pallas's free-tailed bat is a medium-sized bat recorded in several habitats in Argentina. It roosts in groups in tree hollows and buildings and eats insects.
- Egyptian Free-tailed Bat Tadarida aegyptiaca
The Egyptian free-tailed bat ranges across Africa, except the Sahara, into southwest Asia, India, and Sri Lanka. It roosts in rocky places and buildings in warm, dry regions.
- Broad-eared Bat Nyctinomops laticaudatus
The broad-eared bat has a brown back, a paler underside, and hairless, translucent wing membranes. It catches beetles in flight.
- Greater Bonneted Bat Eumops perotis
The greater bonneted bat is the largest molossid bat in North America. Its long ears meet above the head, and it launches from cliffs before hunting insects at night.
- Greater Naked Bat Cheiromeles torquatus
The greater naked bat is mostly hairless, with a ring of black bristles around its neck. It occurs in Southeast Asia and hunts insects at night.
- Thomas's Mastiff Bat Molossus currentium
This molossid bat lives in central and southern South America.
- Big Free-tailed Bat Nyctinomops macrotis
The Big Free-tailed Bat roosts in rock crevices and eats large moths. It has vertical grooves on its upper lip.
- Black Mastiff Bat Molossus rufus
This large free-tailed bat varies from black to reddish, brown, or yellowish on the back, with paler underparts. It uses forest and savanna habitats and roosts in buildings, tree hollows, rocks, and palms.
- Sinaloan Mastiff Bat Molossus sinaloae
The Sinaloan mastiff bat has dark brown fur above and paler brown fur below. It hunts moths, beetles, and other insects in flight at night.
- Big Crested Mastiff Bat Promops centralis
This mastiff bat of the Americas flies fast on long wings. It uses habitats from forests to open country and roosts in tree hollows or buildings.
- Underwood's Bonneted Bat Eumops underwoodi
Underwood's bonneted bat ranges from the southwestern United States through western Mexico to Central America. Confirmed information about its roosts is limited.