Recent years witnessed the discovery of a great diversity of early birds as well as closely
related non-avian theropods, which modified previous conceptions about the origin of birds …

Birds are some of the most diverse organisms on Earth, with species inhabiting a wide
variety of niches across every major biome. As such, birds are vital to our understanding of …

Recent macroevolutionary studies predict a diversification of early birds during the Jurassic
period,,–, but the unquestionable Jurassic bird fossil record is limited to Archaeopteryx …

Birds are descended from non-avialan theropod dinosaurs of the Late Jurassic period, but
the earliest phase of this evolutionary process remains unclear owing to the exceedingly …

The Society of Vertebrate Paleontology (SVP) has recently circulated a letter, dated 21st
April, 2020, to more than 300 palaeontological journals, signed by the President, Vice …

Shed teeth are usually the most abundant theropod material on a dinosaur fossil site and
are constantly reported in the literature. Although new quantitative techniques have …

The last two decades have seen a remarkable increase in the known diversity of basal
avialans and their paravian relatives. The lack of resolution in the relationships of these …

Although direct associations that reveal diet are extremely rare in the fossil record, the rich
Lower Cretaceous Jehol Lagerstätte has produced dozens of specimens preserving …

Abstract The Early Cretaceous diversification of birds was a major event in the history of
terrestrial ecosystems, occurring during the earliest phase of the Cretaceous Terrestrial …

The Late Jurassic-Early Cretaceous (164–100 Ma) represents one of the main transitional
periods in life history. Recent studies unveiled a complex scenario in which abiotic and …