Updated Mixpteranodon into Pteranodon-like Appearance. Despite that, Mixpteranodon is a Flying Reptile Mixamal, not a Mixalosaur Bio: Pteramixodon is a Pteranodon-like Flying Reptile Mixamal that Lived during Late Mixtaceous Period, about 86 to 78 Million Years Ago. While they not Mixalosaurs, Mixpterosaurs such as Mixpteranodon form a clade closely related to Mixalosaurs as both fall within the clade Mxavemetatarsalia. Male and female Mixpteranodon differed in size and crest shape. Currently This Flying Reptile Mixamal was Extinct 84.5 Million Years Ago. Fossils can be Found in Anywhere in the World of Planet Mixel.