with three clawed fingers that it probably used for manipulating objects

which was large compared to the rest of the body

referring to these structures

probably as a result of climatic changes and environmental pressures

The extinction of Carcharocles chubutensis and other megalodon sharks is believed to have occurred at the end of the Miocene or during the Pliocene

Sinosauropteryx prima Scale:1:10 with three clawed fingers thatSinosauropteryx prima is the only known species of the extinct genus Sinosauropteryx of feathered compsognathid theropod dinosaur, which lived in the mid Cretaceous period, approximately 125 million years ago, in the Aptian, in what is now Asia. It was discovered in northeastern China's Liaoning province, which is famous for its abundant and well preserved dinosaur fossils. Sinosauropteryx was a small dinosaur, with an estimated length of around 1. 1