miacid
/ˈmʌɪəsɪd/ /mʌɪˈasɪd/Palaeontology
adjective
Of, relating to, or designating the family Miacidae of extinct small carnivorous mammals, known from Palaeocene and Eocene fossils in North America.
noun
A mammal of the family Miacidae.
Origin
Early 20th century. From scientific Latin Miacidae, family name from Miacis, genus name + -idae.