A groundbreaking study has shed light on how lizards and snakes -- the most diverse group of land vertebrates with nearly 12,000 species -- have evolved remarkably varied jaw shapes, driving their ...

A 205-million-year-old fossil, Cryptovaranoides microlanius, was confirmed as the oldest modern lizard, shifting Squamata ...

The study found that the evolution of jaw shape in lepidosaurs is shaped by a complex interplay of factors beyond mere ...

Lizards began to evolve roughly 220 million ... Specifically, the first snakes likely came from the part of Gondwana that ...

likely feeding on large insects and other arthropods The sauropsids split early into the parareptiles (leading to turtles) and the eureptiles (lizards, snakes, crocodilians, dinosaurs and birds).