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: Fossil discoveries like Najash and Pakyrakus showcase early snakes with functional or semi-functional hind limbs, suggesting they may have evolved from either burrowing or aquatic lizards.

: Primitive modern snakes, such as pythons and boas , still possess tiny hind-leg bones (spurs) buried within their muscles. 1680x1050 Snake HD Wallpaper and Background Ima...

: Following the mass extinction of dinosaurs 66 million years ago, snakes underwent an "evolutionary explosion" known as adaptive radiation. They rapidly adapted to diverse environments, including oceans, treetops, and underground burrows. Making Hiss-tory: How Snakes Scaled Evolutionary Heights : Fossil discoveries like Najash and Pakyrakus showcase

Modern snakes are highly specialized, limbless reptiles that evolved from four-legged ancestors roughly 100 to 150 million years ago. Evidence of this transition is found in both the fossil record and modern anatomy: such as pythons and boas