Caenophidian snakes include the file snake genus Acrochordus and advanced
colubroidean snakes that radiated mainly during the Neogene. Although caenophidian …

Squamates from the Mesozoic of North America have been collected since the end of the
nineteenth century. To date, the fossils are known to occur in the Late Jurassic, Aptian …

We here present a thorough documentation of the vertebral morphology and intracolumnar
variation across non-caenophidian snakes. Our studied sample of multiple individuals …

The first clear fossil indications of modern clades of snakes are in the Palaeogene. Many
major groups, including 'scolecophidians'(blindsnakes), probably originated earlier, and …

Mass extinctions have repeatedly shaped global biodiversity. The Cretaceous-Paleogene (K-
Pg) mass extinction caused the demise of numerous vertebrate groups, and its aftermath …

Large constrictor snakes, referred to the genera Palaeopython and Paleryx, are an
ecologically prominent part of the fauna of Europe during the Paleogene. Most species were …

Ecological opportunities can be provided to organisms that cross stringent biogeographic
barriers towards environments with new ecological niches. Wallace's and Lyddeker's lines …

Abstract The Pliocene–Pleistocene transition in the Neotropics is poorly understood despite
the major climatic changes that occurred at the onset of the Quaternary. The San Gregorio …

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 …

Recent advances in the phylogenetic relationships of snakes using both molecular and
morphological data have generally demonstrated a close relationship between boas and …