An alternative hypothesis concerning the paleoecological and paleoenvironmental
depositional conditions of the Crato Konservat-Lagerstätte (CKL), Crato Formation, Aptian …

Salamanders are an important group of living amphibians and model organisms for
understanding locomotion, development, regeneration, feeding, and toxicity in tetrapods …

The defining masterwork on the evolution of reptiles. Over 300 million years ago, an early
land vertebrate developed an egg that contained the embryo in an amnion, allowing it to be …

Snakes represent one of the most dramatic examples of the evolutionary versatility of the
vertebrate body plan, including body elongation, limb loss, and skull kinesis. However …

Most vertebrates have duplex retinas, with two classes of photoreceptors, rods and cones. In
the group of Snakes, however, distinct patterns of retinal morphology are associated with …

Snakes of the World: A Catalogue of Living and Extinct Species, published in 2014, was the
first catalogue of its kind and covered all living and fossil snakes described between 1758 …

This book presents perspectives on the past and present state of the understanding of snake
origins. It reviews and critiques data and ideas from paleontology and neontology …

The inner ear morphology of 80 snake and lizard species, representative of a range of
ecologies, is here analysed and compared to that of the fossil stem snake Dinilysia …

The visual systems of snakes are heavily modified relative to other squamates, a condition
often thought to reflect their fossorial origins. Further modifications are seen in caenophidian …

Fossils of drepanosauromorphs, a clade of non-saurian diapsids, were once considered
relatively rare in the Chinle Formation of the southwestern United States as well as in Upper …