the tundra mammoth (Mammuthus sungari) was found in Siberia and northern China

como el fortalecimiento de la estructura o la fijación de los músculos

han llevado a la especulación sobre la relación de Longisquama con los ancestros de las aves y los dinosaurios emplumados

al igual que muchas aves

Tylosaurus / Xiphactinus audax neomonachus the tundra mammoth (Mammuthus sungari)Tylosaurus ('Lizard with bump') is a genus of mosasaur, a prehistoric marine reptile that lived during the Late Cretaceous period, approximately 86 to 72 million years ago. It was one of the largest marine predators of its time and has been widely studied by paleontologists due to its impressive size and unique characteristics. Tylosaurus had a long, slender body that allowed it to move quickly in the water. It is estimated that it could reach lengths