Definition: The smallest clade containing Iguanodon bernissartensis Boulenger in Beneden 1881 (Ornithischia/Euornithopoda) Megalosaurus bucklandii Mantell 1827 (Theropoda/Megalosauroidea) and Cetiosaurus oxoniensis Phillips ...

Here, we describe the bone histology of juvenile specimens of the basal sauropodomorph Mussaurus patagonicus and interpret its significance in terms of the early growth dynamics of this taxon. Thin sections from three ...

Coelophysoids are the most abundant theropod dinosaurs known from the Late Triassic through Early Jurassic and represent the earliest major radiation of Neotheropoda. Within Coelophysoidea sensu lato, the most stable clade ...

Titanosauriform sauropods were one of the most widely distributed groups of dinosaurs during the Cretaceous. In contrast to most derived forms from the Upper Cretaceous, the most basal taxa of the group are poorly known. ...

Partial remains of a titanosaur sauropod collected in the Tolar Formation (Upper Cretaceous) at the Atacama Desert (Antofagasta Region), northern Chile, is described, and a new species, Atacamatitan chilensis gen. et sp. ...

The Bauru Basin is an inland basin of Cretaceous age, located in Southeastern Brazil, which has great paleontological importance due to the abundant vertebrate fossils, especially dinosaurs. Sauropod dinosaur fossils are ...