approximately 2 million to 46

with its distinctive mix of avian and reptilian features

5 meters and a weight of between 4 and 7 kilograms

tejidos blandos y posible ecología

meaning it had feathers that covered much of its body

Kosmodraco dakotensis Variante:Sin imprimar approximately 2 million to 46Kosmodraco dakotensis was a freshwater choristodere from the Palaeocene of North America. It was originally described as Simoedosaurus dakotensis and was later reassigned to the genus Kosmodraco. This animal was neither a dinosaur nor a crocodile, although its general appearance may have superficially resembled that of certain predatory aquatic reptiles. It belonged to Choristodera, a lineage of semi aquatic diapsids that survived the end Cretaceous