Lungfish and actinopterygians

sino para buscar alimento en la superficie

Su estructura ósea sugiere que podían desplazarse eficientemente tanto en la tierra como en hábitats abiertos

this fascinating dinosaur was named after Chinese paleontologist Gu Zhiwei

Supayacetus muizoni holds a relevant position because it helps to understand the transition between early archaeocetes and fully modern whales

Sarcosuchus imperator Ouranosaurus Lungfish and actinopterygiansSarcosuchus imperator was one of the largest known crocodyliformes of the Early Cretaceous, a semi aquatic predator of exceptional size that inhabited the river systems of North Africa, especially in deposits of the El Rhaz Formation in Niger, during the Aptian Albian stages, approximately 112 million years ago. Although often compared to modern crocodiles due to its general appearance, Sarcosuchus did not belong to the group of modern crocodiles, but