Epidexipteryx ('display feather') is a genus of small maniraptoran dinosaurs, known from one fossil specimen in Beijing. "Epidexipteryx" is the earliest known example of ornamental feathers in the fossil record. It is a small maniraptoran dinosaur from the Middle or Upper Jurassic age Daohugou Beds of Inner Mongolia, China (perhaps 160 to 168 million years ago).