This cetacean is characterized by having a distinctive skull with a long

Macrauchenia patachonica is an extinct species of mammal that lived in South America during the Pleistocene

which includes other giant ground sloths

It is estimated that it reached a length of around 5 to 6 meters (approximately 16 to 20 feet) from head to tail

El cuerpo del premaxilar contiene numerosos pozos llamados forámenes neurovasculares

Ichthyostega stensioei Variant:Hand painted This cetacean is characterized byIchthyostega stensioei is a species of extinct tetrapod that lived during the Devonian period, approximately 360 million years ago. It is known for being one of the first terrestrial vertebrates, representing an important stage in the evolution of four legged animals from aquatic forms. The name "Ichthyostega" means "fish roof," in reference to its evolutionary transition from fish to land forms, while "stensioei" honors paleontologist Erik Stensio,