Two distinct families were historically thought to compose the order : Oxyaenidae and Hyaenodontidae.
2.
"We know that at least one of these groups, the hyaenodontidae, appeared in Asia first, " said Bowen.
3.
Chaoyangopterus has begun using his older wikipedia account ( Falconfly ) to edit pages ( Hyaenodontidae, various pages on different creodont taxa etc ) on Wikipedia.
4.
"' Hyaenodontidae "'( " hyena teeth " ) is a family of extinct predatory mammals, and is the type family of the extinct mammalian order Hyaenodonta.