First appearing in the latest Cretaceous, Crocodylia is a clade of semi-aquatic, predatory
reptiles, defined by the last common ancestor of extant alligators, caimans, crocodiles, and …

The L ate J urassic to E arly C retaceous interval represents a time of environmental
upheaval and cataclysmic events, combined with disruptions to terrestrial and marine …

Titanosauria was the most diverse and successful lineage of sauropod dinosaurs. This clade
had its major radiation during the middle Early Cretaceous and survived up to the end of that …

Diplodocidae are among the best known sauropod dinosaurs. Several species were
described in the late 1800s or early 1900s from the Morrison Formation of North America …

Abstract The Late Jurassic Tendaguru Formation of Tanzania, southeastern Africa, records a
rich sauropod fauna, including the diplodocoids Dicraeosaurus and Tornieria, and the …

Australian dinosaurs have played a rare but controversial role in the debate surrounding the
effect of Gondwanan break-up on Cretaceous dinosaur distribution. Major spatiotemporal …

Resolving the evolutionary relationships of early diverging ('basal') ornithischian dinosaurs
is a challenging topic in palaeontology, with multiple competing hypotheses on the …

The first fossil remains of vertebrates, invertebrates, plants and palynomorphs of the
Chorrillo Formation (Austral Basin), about 30km to the SW of the town of El Calafate …

Titanosaurian sauropod dinosaurs were the most diverse and abundant large-bodied
herbivores in the southern continents during the final 30 million years of the Mesozoic Era …

The fragmentation of the supercontinent Pangaea has been suggested to have had a
profound impact on Mesozoic terrestrial vertebrate distributions. One current paradigm is …