Pterosaurs were the first vertebrates to evolve powered flight 1 and comprised one of the
main evolutionary radiations in terrestrial ecosystems of the Mesozoic era (approximately …

Proterosuchidae represents the oldest substantial diversification of Archosauromorpha and
plays a key role in understanding the biotic recovery after the end-Permian mass extinction …

The historical clade “Protorosauria” represents an important group of archosauromorph
reptiles that had a wide geographic distribution between the Late Permian and Late …

The postcranial morphology of the extremely long-necked Tanystropheus hydroides is well-
known, but observations of skull morphology were previously limited due to compression of …

The oldest archosauromorphs (dinosaurs, birds, crocodiles, and their stem-taxa) are
recorded in middle− upper Permian rocks, but it was not after the Permo− Triassic mass …

Most Triassic terrestrial diapsids belong to two clades, Lepidosauromorpha or (the more
diverse) Archosauromorpha. Nevertheless, the phylogenetic relationships of some Triassic …

Correctly identifying taxa at the root of major clades or the oldest clade-representatives is
critical for meaningful interpretations of evolution. A small, partially crushed skull from the …

Erythrosuchidae were large-bodied, quadrupedal, predatory archosauriforms that
dominated the hypercarnivorous niche in the aftermath of the Permo-Triassic mass …

Allokotosauria, a clade of non‐archosauriform archosauromorphs with a broad diversity of
body plans, plays a crucial role in better understanding the evolutionary history of early …

Proterochampsidae are a group of predatory, putatively semi-aquatic, archosauriforms
endemic to the Middle and Upper Triassic strata of Argentina and Brazil (Ischigualasto …