. . "Bryceomys is an extinct mammal that lived during the late Cretaceous period (between 100 and 66 million years ago) and thus shared the world with dinosaurs. It was a member of the also extinct order of Multituberculata. It was within the suborder of Cimolodonta, and a member of the Paracimexomys group.The genus Bryceomys (\"Bryce mouse\", after Bryce Canyon National Park) was named by Eaton J.G. in 1995."@en . . "Bryceomys"@en . .