Edmontosaurus Track Ouranosaurus Some workers believe that Odonata

Some workers believe that Odonata adopted an aquatic larval stage during the Lower Permian

looking like ram's horns

early dinosaur with open skull bones (hence its name) The body was long and slim

Fred Grady

hence its species epithet ohioensis

Edmontosaurus Track Ouranosaurus Some workers believe that OdonataThis track was probably made by the hind foot Edmontosaurus. Edmontosaurus was one of the last non avian dinosaurs, and lived alongside dinosaurs like Triceratops and Tyrannosaurus shortly before the CretaceousPaleogene extinction event that occurred 66 million years ago. Some 66 million years ago a dinosaur stepped into some soft mud leaving its foot impression, the negative. Over time the track was buried by other sediments of a different texture