Specifics of FAMILES

Didelphidae

Family with most primitive number of teeth

Molossidae

Family that lives in colonies up to 10 to the 6th

Phyllostomidae

Family containing leaf nose bats

Otariidae

Family containing sea lions

Vespertilionidae

Most species rich family of bats

Ursidae

Family containing bears

Felidae

Family with retractile claws

Talpidae

Family with ears that usually lack pinnae

Desmotidae

Family containing sanguinarius

Odobenidae

Family composed of single extant species

Desmodontidae

A different family composed of a single species

Dipodidae

One of the eight families of rodents found in North America

Sciuridae

One of the eight families of rodents found in North America

Castoridae

One of the eight families of rodents found in North America

Erethizontidae

One of the eight families of rodents found in North America

Aplodontidae

One of the eight families of rodents found in North America

Cricetidae

One of the eight families of rodents found in North America

Geomyidae

One of the eight families of rodents found in North America

Heteromyidae

One of the eight families of rodents found in North America

Delphinidae

Family of oceanic dolphins

Phocoenidae

Family of porpoises

Phocidae

Family of no external ears seals

Canidae

Family containing dogs, coyotes, and foxes

Mustelidae

Family containing weasels, otters, and badgers

Mephitidae

Family containing skunks

Procyonidae

Family containing raccoons and ringtails

Antilocapridae

Endemic to North America

Dasypodidae

Terrestrial homodont

Odobenidae

Tusk from canine

Balaenopteridae

Largest mammals in the world

Equidae

Two non-native and no native species found in North America

Suidae

One non-native and no native species in North America

Hominidae

Another family comprised of only one non-native species in North America (introduced)