Once known solely from dental material and thought to represent an early ornithischian
dinosaur, the early‐diverging pseudosuchian Revueltosaurus callenderi is described from a …

The early evolution of archosauromorphs during the Permo-Triassic constitutes an excellent
empirical case study to shed light on evolutionary radiations in deep time and the timing and …

Archosaurs have a 250 million year record that originated shortly after the Permian-Triassic
extinction event and is continued today by two extant clades, the crocodylians and the …

Vertebrate Skeletal Histology and Paleohistology summarizes decades of research into the
biology and biological meaning of hard tissues, in both living and extinct vertebrates. In …

The Upper Triassic (Carnian–Norian) Ischigualasto Formation has yielded a diverse
vertebrate fauna that records the initial phase of dinosaur evolution. Radioisotopic dates …

The Triassic timescale based on nonmarine tetrapod biostratigraphy and biochronology
divides Triassic time into eight land-vertebrate faunachrons (LVFs) with boundaries defined …

Several mutually exclusive hypotheses have been advanced to explain the phylogenetic
position of turtles among amniotes. Traditional morphology-based analyses place turtles …

Ankylosaurs are a misunderstood clade of dinosaurs. The most distinctive skeletal element
of an ankylosaur is its armor or osteoderms, ie, ossicles, scutes, plates, spines, etc. Lack of …

The Triassic period is generally viewed as the beginning of the Age of Dinosaurs. For
paleontologists, however, it also marks the rise of the world's first modern land ecosystems …

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- - ATAIRS | - - - - - - - - a ". microvertebrates from the lower Chine Group Otischalkian-Adamanian …