Cifelliodon
Cifelliodon is an extinct genus of haramiyidan mammaliaforms from the Lower Cretaceous of North America. It is one of the latest surviving haramiyids yet known, belonging to the family Hahnodontidae. The sole species in the genus, Cifelliodon wahkarmoosuch, was found in the geological rock unit called the Yellow Cat Member, part of the Cedar Mountain Formation in Grand County, Utah. This rock unit dates to between 139-124 million years old. It was found alongside the remains of several dinosaurs.read more