If you're reading this sentence, you might have a fish to thank. Fish were the first animals to evolve jaws. They use their jaws primarily to eat, but also for defense, as tools—such as to burrow or ...

“Interestingly, we found that jaw shape evolves particularly fast in ecologically specialised groups, such as in burrowing and aquatic species, and in herbivorous lizards, suggesting that evolutionary ...

A strange Jurassic lizard discovered on Scotland’s Isle of Skye is shaking up what we know about snake evolution. Named ...

During the course of evolution, the mammalian cranio-mandibular secondary joint—formed by the dentary condyle and the squamosal glenoid fossa, which replaced the reptilian articular–quadrate ...

Breugnathair elgolensis is the first of a new family of squamates called Parviraptoridae, described as "an enigmatic group with potential importance for snake origins, that was previously known from ...

WASHINGTON (Reuters) - A bottom-dwelling, mud-grubbing, armoured fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably ...

Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...

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 ...