Primitive snakes fossils dating to the Early Cretaceous (145 to 100.5 million years ago) feature tiny limbs as well, indicating that legs persisted for quite some time during the early evolution ...

Researchers just discovered a 66-million-year-old sea lizard in a phosphate mine near Casablanca, Morocco. The Khinjaria ...

After a temperature spike in the mid-Cretaceous, the climate began to cool, and the tenor changed. Other creatures, such as frogs, salamanders, turtles, crocodiles, and snakes, proliferated on the ...

In the Early Cretaceous, iguanodontians were some of the first dinosaurs to evolve complex chewing mechanisms rather than just gulping down food like other reptiles. In the Late Cretaceous, hadrosaurs ...

See more dinosaurs that lived in the Late Cretaceous. Other groups of organisms also diversified. The first snakes evolved during this time, and by the end of the Cretaceous, flowering plants were a ...

Though they are poorly preserved, it is believed that they likely had hindlimbs. Primitive snakes fossils dating to the Early Cretaceous (145 to 100.5 million years ago) feature tiny limbs as well, ...