Tetanuran theropods represent the majority of Mesozoic predatory dinosaur diversity and
the lineage leading to extant Aves. Thus their history is relevant to understanding the …

Although diplodocoid sauropods from Africa and the Americas are well known, their
European record remains largely neglected. Here we redescribe Dinheirosaurus …

Sauropod dinosaurs are a group of herbivorous dinosaurs which exceeded all other
terrestrial vertebrates in mean and maximal body size. Sauropod dinosaurs were also the …

Recent discoveries and analyses have drawn increased attention to Ceratosauria, a
taxonomically and morphologically diverse group of basal theropods. By the time of its first …

Theropods have traditionally been assumed to have lost manual digits from the lateral side
inward, which differs from the bilateral reduction pattern seen in other tetrapod groups. This …

Theropod dinosaurs form a highly diversified clade, and their teeth are some of the most
common components of the Mesozoic dinosaur fossil record. This is the case in the Lourinhã …

The defining masterwork on the evolution of reptiles. Over 300 million years ago, an early
land vertebrate developed an egg that contained the embryo in an amnion, allowing it to be …

The famous bone beds of the Morrison Formation, formed one hundred and fifty million
years ago and running from Wyoming down through the red rock region of the American …

The Lourinhã Formation (Kimmeridgian-Tithonian) of Central West Portugal is well known
for its diversified dinosaur fauna similar to that of the Morrison Formation of North America; …

Theropod teeth are particularly abundant in the fossil record and frequently reported in the
literature. Yet, the dentition of many theropods has not been described comprehensively …