Elephantidae is a taxonomic family, collectively elephants and mammoths. These are terrestrial large mammals with a trunk and tusks. Most genera and species in the family are extinct. Only two genera, Loxodonta (African elephants) and Elephas (Asiatic elephants), are living. The family was first described by John Edward Gray in 1821, and later assigned to taxonomic ranks within the order of Proboscidea.