The oldest known lizard has reclaimed its crown clade ... This involves figuring out where a species belongs in the evolutionary tree, based on the traits it shares with related organisms.

Marmoretta is a stem lepidosaur, an early relative of the group containing all lizards and snakes as well ... as the curves help them to grip to a tree's trunk and branches. Its spine would ...

The green basilisk lizard is also called a plumed or double ... When threatened, they can drop from a tree into the water and sprint, upright, about 5 feet per second across the surface.

Before the fence, there was the lizard. From tree stumps and rocks, the spiny reptiles basked and watched as wooden fences subdivided the landscape. At some point, one climbed a post and became known ...

SILVER CITY, N.M.— The U.S. Fish and Wildlife Service today added the dunes sagebrush lizard of southeastern New Mexico and West Texas to the list of endangered species and pledged to follow up by ...

If you live in California, you’ve probably seen, or held, a western fence lizard. According to a leading dataset of animal and plant observations, the species is the most commonly spotted ...

Marmoretta is a stem lepidosaur, an early relative of the group containing all lizards and snakes as well as an unusual ... as the curves help them to grip to a tree’s trunk and branches. Its spine ...