Morphology forms the most fundamental level of data in vertebrate palaeontology because it
is through interpretations of morphology that taxa are identified, creating the basis for broad …

Abstract The upper Stormberg Group (Elliot and Clarens formations) of the main Karoo
Basin is well-known for its fossil vertebrate fauna, comprising early branching members of …

Dilophosaurus wetherilli was the largest animal known to have lived on land in North
America during the Early Jurassic. Despite its charismatic presence in pop culture and …

Sauropodomorpha is the first major dinosaurian group that radiated during the Triassic.
During this time the group underwent major changes in body plan, including the acquisition …

Summary The importance of adaptation [1–4] versus organizational constraints [5–7] in
shaping common macroevolutionary trends remains unclear [8]. The fossil record is key to …

The diagnosis of Dinosauria and interrelationships of the earliest dinosaurs relies on careful
documentation of the anatomy of their closest relatives. These close relatives, or dinosaur …

Abstract Our knowledge of Early Jurassic palaeobiodiversity in the upper Elliot Formation of
South Africa has increased markedly in recent years with the discovery of new fossils, re …

Fossil-rich deposits from the Middle and Late Jurassic of China have yielded a diverse array
of sauropod dinosaurs, including numerous species referred to Mamenchisaurus and …

Several new sauropodomorphs have been described in recent years, including the
unaysaurid sauropodomorph Macrocollum itaquii (Late Triassic, Brazil). This study presents …

The armoured dinosaurs, Thyreophora, were a diverse clade of ornithischians known from
the Early Jurassic to the end of the Cretaceous. During the Middle and Late Jurassic, the …