By analysing both the genetics and the morphological features of this species compared to other known snake species, the authors said that the four-legged creature is in fact an ancestor of modern-day snakes.

"We've found the ancestor of all snakes. We have found the missing link between four-legged lizards and snakes," co-researcher David Martill, a professor of paleobiology at the University of Portsmouth, Britain was quoted as saying in Live Science.

The study appeared online in the journal Science."The newly discovered species Tetrapodophis amplectus, which lived during the Early Cretaceous 146 to 100 million years ago, maintains many classic snake features, such as a short snout, long braincase, elongated body, scales, fanged teeth and a flexible jaw to swallow large prey," Martill said.



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