We report theropod caudal vertebrae found at Phu Wiang Mountain, Thailand. They
resemble the Portuguese Baryonyx and pertain to the Spinosauridae based on the presence …

Six quadrate bones, of which two almost certainly come from the Kem Kem beds
(Cenomanian, Upper Cretaceous) of south-eastern Morocco, are determined to be from …

An updated, annotated list of all tetrapods from the Adamantina, Uberaba and Marília
formations (Bauru Group), which constitute some of the best studied Upper Cretaceous units …

Although rare, dinosaurs are well preserved in calcareous nodules of the Santana
Formation (Early Cretaceous,? Albian) of the Araripe Basin, in northeastern Brazil. So far …

Similarities in body plan evolution, such as wings in pterosaurs, birds, and bats or
limblessness in snakes and amphisbaenians, can be recognized as classical examples of …

Despite the known diversity of abelisaurid theropod dinosaurs, their dental anatomy remains
poorly understood. Discoveries of elements preserving in situ dentition of the Late …

A number of extant and extinct archosaurs evolved an elongate, narrow rostrum. This
longirostrine condition has been associated with a diet comprising a higher proportion of fish …

The tyrannosaurids are among the most well‐studied dinosaurs described by science, and
analysis of their feeding biomechanics allows for comparison between established …

Tyrannosaurus rex possesses a heterodont dentition composed of three classes
(premaxillary, maxillary, and dentary) and several sets. The maxilla contains mesial and …

Remains of enigmatic spinosaurs from mid-Cretaceous North African strata have, for over a
century, been the subject of taxonomic deliberations. The gigantic Spinosaurus aegyptiacus …