Macrauchenia patachonica Yutyrannus pectoral fins with upper and

pectoral fins with upper and lower bone-like elements

Ceratosaurus

así como para la defensa contra depredadores

Some studies suggest that Dimorphodon might also have been able to fly over water and hunt for prey on the sea's surface

Macrauchenia patachonica Yutyrannus pectoral fins with upper andMacrauchenia patachonica is an extinct species of mammal that lived in South America during the Pleistocene, approximately between 7 million and 10,000 years ago. It belongs to the order Litopterna and shares morphological similarities with tapirs and horses, although its appearance is unique and distinctive. This mammal is characterized by its unusual morphology, which easily defies classification. It had a large, elongated body, a long, thin neck,