Mesadactylus is an extinct genus of pterosaur from the Kimmeridgian-Tithonian-age Upper Jurassic Morrison Formation of Colorado, United States. The genus was named in 1989 by James Jensen and Kevin Padian. The type species is Mesadactylus ornithosphyos.
Walking with Evolution is a documentary show about the ancient past about first sea life, the beginning of the reptiles, the great dying, rise and fall of the dinosaurs, and then rise and region of the mammals.
