| Noun | 1. | family Desmodontidae - true vampire bats mammal family - a family of mammals Microchiroptera, suborder Microchiroptera - most of the bats in the world; all bats except fruit bats insectivorous bats true vampire bat, vampire bat - any of various tropical American bats of the family Desmodontidae that bite mammals and birds to feed on their blood Desmodus, genus Desmodus - type genus of the Desmodontidae: vampire bats Diphylla, genus Diphylla - vampire bats |