The geological and paleoenvironmental setting and the vertebrate taxonomy of the
fossiliferous, Cenomanian-age deltaic sediments in eastern Morocco, generally referred to …

The Spinosauridae is a specialized group of theropod dinosaurs characterised by a long,
narrow skull, robust forelimbs with a hooked thumb claw, and tall neural spines forming a …

Ceratosaur theropods ruled the Southern Hemisphere until the end of the Late Cretaceous.
However, their origin was earlier, during the Early Jurassic, a fact which allowed the group to …

Background Late Cretaceous terrestrial strata of the Neuquén Basin, northern Patagonia,
Argentina have yielded a rich fauna of dinosaurs and other vertebrates. The diversity of …

During the latest Cretaceous, distinct dinosaur faunas were found in Laurasia and
Gondwana. Tyrannosaurids, hadrosaurids, and ceratopsians dominated in North America …

Dinosaurs thrived for over 160 million years in Mesozoic ecosystems, displaying diverse
ecological and evolutionary adaptations. Their ecology was shaped by large-scale climatic …

The end of the Cretaceous saw the evolution of endemic dinosaur faunas on different
landmasses, driven by continental fragmentation. Understanding the evolution of these …

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 …

The advent of palaeontological occurrence databases has allowed for detailed
reconstruction and analyses of species richness through deep time. While a substantial …

Abelisauroid dinosaurs normally reached an average body length (BL) of 5–9 m, but there
are controversies due to the incomplete or fragmentary nature of most specimens. For …