Psalodon is an extinct genus of North American mammal that lived during the Upper Jurassic period. It's a member of the family Allodontidae within the order Multituberculata. The genus Psalodon was named by Simpson in 1926. There are perhaps three species. It is also known as Allodon ("different tooth") and Ctenacodon ("comb tooth").Present in stratigraphic zones 2 and 5.