히아이노돈

Also known as Gobipterodon, Macropterodon, Microhyaenodon, Neohyaenodon, Prohyaenodon, Protohyaenodon, Pseudopterodon, Taxotherium

Hyaenodon ("hyena-tooth") is an extinct genus of carnivorous placental mammals from the tribe Hyaenodontini, part of the subfamily Hyaenodontinae (which is within the family Hyaenodontidae), that belonged to the now extinct order Hyaenodonta. The genus was found lived in Eurasia and North America from the Middle Eocene to the Early Miocene, from 38 to 17 million years ago, existing for . Hyaenodon first evolved in Asia, probably evolving from Propterodon.