約瑟夫·萊迪
Antrodemus ("chamber bodied") is a dubious genus of theropod dinosaur from the Kimmeridgian-Tithonian age Upper Jurassic Morrison Formation of Middle Park, Colorado. It contains one species, "Antrodemus valens", first described and named as a species of "Poekilopleuron" by Joseph Leidy in 1870.