Pteraichnus is an ichnogenus that has been attributed to pterosaurs. It has been found in, among other units, the Lower Jurassic Aztec Sandstone, the Shengjinkou Formation and Lake Ezequiel Ramos Mexia in the Candeleros Formation.[1]
In 1862, an American explorer and his son are shipwrecked and washed upon a mysterious island. Soon they discover that this island is the home of generations of humans and dinosaurs living together in a peaceful and fantastic civilization called Dinotopia. Based on the books by James Gurney.