The question why non-avian dinosaurs went extinct 66 million years ago (Ma) remains
unresolved because of the coarseness of the fossil record. A sudden extinction caused by …

Ornithischians form a large clade of globally distributed Mesozoic dinosaurs, and represent
one of their three major radiations. Throughout their evolutionary history, exceeding 134 …

Dinosaurs were thriving at the beginning of the Cretaceous, and yet major changes had
occurred across the Jurassic–Cretaceous boundary. The sauropods were replaced by …

Sloth morphological evolution has been widely studied qualitatively, with comparative
anatomy and morpho‐functional approaches, or through quantitative assessments of …

Squamates (lizards and snakes) are highly successful modern vertebrates, with over 10 000
species. Squamates have a long history, dating back to at least 240 million years ago (Ma) …

Disparity, the diversity of form and function of organisms, can be assessed from cladistic or
phenetic characters, and from discrete characters or continuous characters such as …

This work provides a review of the taxonomic diversity, phylogenetic relationships, and
historical biogeography of the seven described hadrosauroids from Mexico. Their …

Here we describe a partial hadrosaurid skeleton from the marine Maastrichtian Kita-ama
Formation in Japan as a new taxon, Yamatosaurus izanagii gen. et sp. nov., based on …

Ornithopod dinosaurs were abundant inhabitants of European islands during the Late
Cretaceous. The long history of dinosaur research in Europe has led to the establishment of …

Dinosaurs were the dominant megaherbivores during the Cretaceous when angiosperms,
the flowering plants, emerged and diversified. How herbivorous dinosaurs responded to the …